[A00] Standardization and Quality Management
[A01] Technical Management
[A02] Economic Management
[A10] Commerce, Trade and Contract
[A11] Finance and Insurance
[A12] Supply and Use Relation
[A13] File Format
[A14] Library, Archives, Literature and Information
[A15] Film and Photographic Technology
[A17] Printing Technology
[A18] Education, Degree and Title
[A19] Editing and Publication
[A20] Comprehensive Technology
[A21] Environmental Condition and General Test Method
[A22] Terms and Symbols
[A24] Codification
[A25] Human Engineering
[A26] Color
[A28] Sieving, Sieve Plate and Sieve Screen
[A29] Material Protection
[A31] Blasting Technology
[A40] Basic Subject in general
[A41] Mathematics
[A42] Physics and Mechanics
[A43] Chemistry
[A44] Geoscience
[A45] Oceanology
[A46] Astronomy
[A47] Meteorology
[A50] Measurement in general
[A51] Quantity and Unit
[A52] Length Measurement
[A53] Mechanics Measurement
[A54] Thermal Measurement
[A55] Electromagnetic Measurement
[A56] Radio Measurement
[A57] Time and Frequency Measurement
[A58] Ionizating Radiation Measurement
[A59] Acoustic Measurement
[A60] Optical Measurement
[A61] Chemical Measurement
[A65] Metal Chemical Component Standard Substance
[A66] Non-metal Chemical Component Standard Substance
[A67] Physical Standard Substance
[A68] Physical Chemical Component Standard Substance
[A69] Engineering Standard Substance
[A75] Mapping in general
[A76] Geotectonic Mapping and Marine Mapping
[A77] Photogrammetry and Remote Sensing
[A78] Precision engineering and cadastral mapping
[A79] Map printing
[A80] Marking, packaging, transport and storage in general
[A82] Packaging material and container
[A83] Packaging method
[A84] Packaging tool
[A85] Container, tray and pallet
[A87] Transport and storage
[A88] Package printing, lead sealing and labeling
[A90] Social and public safety in general
[A91] Guard and alarm system
[A92] Crime judging technology
[A94] Police-used device and tool
[B00] Standardization, quality management
[B01] Technical management
[B02] Economic management
[B04] Basic standards and general methods
[B05] Agriculture and forestry technology
[B07] Computer application
[B08] Marking, packaging, transport and storage
[B09] Hygiene, safety and labor protection
[B10] Soil and fertilizer in general
[B11] Water and soil conservation
[B13] Fertilizer and soil conditioner
[B15] Plant protection in general
[B16] Plant quarantine, pest control
[B17] Pesticide management and application method
[B18] Agricultural meteorology
[B20] Cereal crop and forage crop in general
[B21] Seed and seeding
[B22] Cereal crop and product
[B23] Bean, tuber crop and product
[B25] Forage crop
[B30] Cash crop in general
[B31] Melon, fruit and vegetable planting and product
[B32] Fibre crop and product
[B33] Oil crop and product
[B34] Sugar-yielding crop and product
[B35] Tobacco, beverage crop and product
[B36] Aromatics, seasoner crop and product
[B38] Medicinal herb and product
[B39] Other cash crops
[B40] Animal husbandry in general
[B41] Animal quarantine, veterinary and epidemic prevention
[B42] Veterinary and animal husbandry, veterinary appliance
[B43] Domestic animal and poultry
[B44] Domesticate animal
[B45] Livestock and poultry product
[B46] Livestock and poultry feed and additive
[B47] Beekeeping, silkworm keeping
[B50] Aquatic product and fishery in general
[B51] Marine aquaculture and product
[B52] Freshwater aquaculture and product
[B53] Aquatic product refreshment
[B54] Fishery feed
[B56] Tools for aquatic product and fishery
[B60] Basic standard and general method on forestry
[B61] Seed, seedling, seedling nursery
[B62] Ornamental plant
[B64] Forest management technology
[B65] Forest conservation
[B66] Economic forest and byproduct
[B67] Raw bamboo and bamboo wood
[B68] Stem wood and raw wood
[B69] Timber and processed timber
[B70] Artificial board
[B71] Corrosion protection for wood and bamboo
[B72] Forestry chemical raw material
[B73] Charcoal
[B90] Farming and foresting machinery and tools
[B91] Farming machinery and tools
[B92] Stock and poultry raising machinery and tools
[B93] Agricultural products and feed processing machinery
[B94] Fishery machinery and tools
[B95] Silviculture machinery and tools
[B96] Wood logging machinery and tools
[B97] Saw timber, artificial board machinery and tools
[C00] Standardization and quality management
[C01] Technical management
[C02] Economic management
[C04] Basic standards and general methods
[C05] Medical science
[C06] Legal medical expert
[C07] Computer application
[C08] Marking, packaing, transport and storage
[C10] Pharmaceutical in general
[C11] Chinese Pharmacopoeia and volumed drug standards
[C12] Antibiotics
[C13] Sulphonamide, antituberculostatic and other antiinfectives
[C14] Drugs for antipyretic, anodyne, anesthesia and central nervous system
[C15] Drugs for hormone, family planning, antineoplastic and immunosuppression
[C16] Antiparasite, antihistamine, endemic disease medicine and antidote
[C17] Drugs for cardiovascular, respiration and blood system
[C18] Drugs for digestion and urinary system, and acid base equilibrium
[C19] Drugs for diagnostic aids, externally-used sanitizer, ENT and dermatology
[C20] Vitamins, nutrition, amino acid, enzymes and other biochemicals
[C21] Pharmaceutic minor ingredients and others
[C23] Traditional Chinese medicinal materials
[C25] TCM pharmaceutics
[C27] Biological agent and blood products
[C30] Medical apparatus and devices in general
[C31] General and microsurgical devices
[C32] Ophthalmic and ENT surgical devices
[C33] Stomatologic device, equipment and material
[C35] Orthopedic devices
[C36] Other special devices
[C37] General requirements on medical devices
[C38] General examination instrument
[C39] Medical electronic equipment
[C40] Medical optical instrument and endoscope
[C41] Medical ultrasound, laser, high-frequency instrument and equipment
[C42] Physiotherapy and TCM instrument and equipment
[C43] Medical radiographic equipment
[C44] Medical laboratory equipment
[C45] Extracorporeal circulation, artificial organ and prosthesis device
[C46] Surgery devices
[C47] Public medical equipment
[C48] Medical sanitary products
[C50] Sanitation in general
[C51] Environmental sanitation
[C52] Labor sanitation
[C53] Food sanitation
[C54] Food additive and nutrition enhancer sanitation
[C55] Nutrition sanitation
[C56] School sanitation
[C57] Radiological sanitation protection
[C60] Diagnostic standard for occupational diseases
[C61] Diagnostic standard for public nuisance diseases
[C62] Health quarantine
[C63] Maternity and child hygiene, family planning technology
[C65] Labor safety technology in general
[C66] Safety control technology
[C67] Factory fire and blast protection technology
[C68] Production equipment safety technology
[C69] Safety requirements on protection equipment
[C70] Industrial dust and gas prevention technology
[C71] Industrial physical hazard control
[C72] Production environment safety and health facilities
[C73] Articles for labor protection
[C75] Labor protection management in general
[C76] Working time, vacation and workwomen, underage worker protection
[C77] Safety and health skill assessment
[C78] Safety and health management
[C80] Fire-fighting in general
[C81] Fire monitoring, alarming and fire-fighting dispatching system
[C82] Fire protection technology
[C83] Fire extinction technology
[C84] Fire-fighting equipment and devices
[C85] Fire-fighting survival and auxiliary tools
[C90] Pharmaceutical, safety machinery and tool in general
[C91] Raw pharmaceutical material processing machinery and equipment
[C92] Pharmaceutical processing machinery and equipment
[C93] Medicinal materials pickoff and Chinese medicine processing machinery
[C94] Pharmaceutical safety monitoring instrument
[C95] Drug testing instrument
[D00] Standardization and quality management
[D01] Technical management
[D02] Economic management
[D04] Basic standard and general method
[D07] Computer application
[D08] Marking, packaging, transport and storage
[D09] Hygiene, safety and labor protection
[D10] Geological mineral survey and development in general
[D11] Solid fuel ore survey
[D12] Metal ore survey
[D13] Nontechnical ore survey
[D14] Hydrogeological survey
[D15] Mining
[D16] Mineral processing
[D18] Mine haulage
[D20] Solid fuel ore in general
[D21] Coal analysis methods
[D22] Coal for vehicle, vessel and coal gas
[D23] Coal for power station and industrial boiler
[D24] Coal for coking, chemical and building materials
[D26] Coal petrography
[D27] Coal dressing
[D28] Oil shale
[D30] Ferrous metal ore in general
[D31] Iron ore
[D32] Manganese ore
[D33] Chrome ore
[D40] Non-ferrous metal ores in general
[D41] Light metal ore
[D42] Heavy metal ore
[D43] Rare metal ore
[D45] Radioactive metal ore
[D46] Precious metal ore
[D51] Chemical raw material ore
[D52] Metallurgical auxiliary material ore
[D53] Building material raw material ore
[D54] Clay, light-weight material non-metal ore
[D58] Special non-metal ore
[D59] Other non-metal ore
[D80] Geological exploration equipment in general
[D81] Geological exploration equipment
[D82] Geophysical search equipment
[D84] Geochemical exploration equipment
[D90] Mining machinery equipment in general
[D91] Shaft building equipment
[D92] Mining equipment
[D93] Promotion, storage and transportation equipment
[D94] Crushing and grinding equipment
[D95] Screening equipment
[D96] Washing equipment
[D97] Mine support equipment
[D98] Coal mine special equipment
[E00] Standardization and quality management
[E01] Technical management
[E02] Economic management
[E04] Basic standard and general method
[E07] Computer application
[E08] Marking, packaging, transport and storage
[E09] Hygiene, safety and labor protection
[E10] Petroleum exploration, development, gathering and transportation engineering in general
[E11] Petroleum geology exploration
[E12] Petroleum development
[E13] Petroleum drilling
[E14] Petroleum extraction
[E15] Offshore petroleum operation
[E16] Petroleum and gas gathering and transportation
[E20] Petroleum and natural gas in general
[E21] Crude petroleum
[E22] Artificial petroleum
[E24] Natural gas
[E30] Petroleum products in general
[E31] Fuel oil
[E33] Solvent oil
[E34] Lubricating oil
[E36] Lubricating grease
[E38] Insulating oil
[E39] Hydraulic fluid
[E40] Synthetic grease
[E41] Vacuum grease and anti-rust grease
[E42] Petroleum wax
[E43] Petroleum asphalt
[E44] Petroleum coke
[E45] Process oil
[E46] Coal gas
[E49] Other petroleum products
[E60] Petroleum products additive in general
[E61] Additives
[E90] Petroleum exploration, development, gathering and transportation equipment in general
[E91] Petroleum exploration logging equipment and instrument
[E92] Petroleum drilling & production equipment and instrument
[E94] Offshore petroleum operation equipment
[E97] Oil and gas processing equipment
[E98] Oil and gas gathering and transportation equipment
[F00] Standardization and quality management
[F01] Technical management
[F02] Economic management
[F04] Basic standards and general method
[F07] Computer application
[F08] Marking, packaging, transport and storage
[F09] Hygiene, safety and labor protection
[F10] Energy in general
[F11] Wind energy
[F12] Solar energy
[F13] Biomass energy
[F14] Ocean energy
[F15] Geothermal energy
[F19] New energy and others
[F21] Electric power system
[F22] Electric power system equipment installation testing
[F23] Power plant and electric power system operating maintenance
[F24] Electric power testing technique
[F25] Electric power safety monitor
[F29] Others
[F40] Nuclear material and nuclear fuel in general
[F46] Nuclear material, nuclear fuel and their analytical test method
[F48] Nuclear fuel element and its analytical test method
[F49] Nuclear material, nuclear fuel producing & processing equipment and facility
[F50] Isotope and radioactive sources in general
[F51] Radioactive sources
[F53] Isotope labelling compounds
[F54] Medical isotopes
[F60] Nuclear reactor in general
[F61] Research and test reactor
[F62] Production reactor
[F63] Power reactor
[F64] Heating reactor
[F65] Nuclear island of nuclear power plant
[F68] Decommissioning of nuclear power plant
[F69] Nuclear reactor and nuclear island equipment of nuclear power plant
[F70] Radiation protection and monitoring in general
[F72] Nuclear facilities radiation safety
[F73] Environmental radiation protection and nuclear medicine protection
[F74] Radiation protection detection and evaluation
[F75] Radioactive three wastes treatment
[F77] Nuclear radiation accident emergency and treatment
[F79] Safety appliance and equipment
[F80] Nuclear instrument and detector in general
[F81] General nuclear instrument
[F82] Nuclear instrument for reactor
[F83] Distribution equipment for reactor and nuclear power plant safety
[F84] Radiation protection instrument
[F85] Nuclear instrument for exploration mining and technological detection
[F86] Radioactive isotope application instrument
[F87] Medical nuclear instrument
[F88] Nuclear detector
[F90] Low energy accelerator in general
[F91] Medical accelerator
[F92] Accelerator for agriculture and industry
[G00] Standardization and quality management
[G01] Technical management
[G02] Economic management
[G04] Basic standards and general methods
[G07] Computer application
[G08] Marking, packaging, transport and storage
[G09] Hygiene, safety and labor protection
[G10] Inorganic chemicals in general
[G11] Inorganic acid and alkali
[G12] Inorganic salt
[G13] Oxide and elementary substance
[G14] Other inorganic chemicals
[G15] Organic chemicals in general
[G16] Basic organic chemicals
[G17] General organic chemicals
[G18] Coal tar processed products
[G20] Basic standards and general methods on chemical fertilizers
[G21] Chemical fertilizer and chemical soil conditioner
[G23] Basic standards and general methods for pesticides
[G24] Pesticide midbody
[G25] Pesticide
[G26] Plant growth accelerant
[G30] Synthetic materials in general
[G31] Basic standards and general methods for synthetic resin and plastic
[G32] Synthetic resin and plastic
[G33] Plastic profile
[G34] Basic standard and general method for synthetic rubber
[G35] Synthetic rubber
[G38] Basic standards and general methods for adhesives
[G39] Adhesives
[G40] Rubber products in general
[G41] Tyre
[G42] Rubber tube, rubber belt and tape
[G43] Rubber seal
[G44] Latex products
[G45] Medical and foodstuff rubber products
[G47] Other rubber products
[G48] Reclaimed rubber
[G49] Carbon black
[G50] Basic standard and general method for coating
[G51] Coating
[G52] Coating auxiliary materials
[G53] Basic standard and general method for pigment
[G54] Pigment
[G55] Basic standards and general methods for dye
[G56] Dye intermediate
[G57] Dye
[G60] Chemical reagent in general
[G61] Reference reagent
[G62] General inorganic reagent
[G63] General organic reagent and solvent
[G64] Reagent and substance of high purity
[G65] Indicator and specific reagent
[G66] Biochemical reagent and clinical analysis reagent
[G67] Instrument analysis reagent
[G70] Basic standards and general methods for chemical additive
[G71] Chemical additive
[G72] Basic standards and general methods for surface active agent
[G73] Surface active agent
[G74] Basic standards and general methods for catalyst
[G75] Catalyst
[G76] Basic standards and general methods for water treatment agent
[G77] Water treatment agent
[G80] Basic standards and general methods for photosensitive material
[G81] Photosensitive material
[G82] Basic standards and general methods for magnetic recording material
[G83] Magnetic recording material
[G84] Photographic-grade chemicals
[G85] Other chemical products in general
[G86] Industrial gas and chemical gas
[G89] Chemical product
[G90] Chemical machinery and equipment in general
[G91] Chemical machinery and equipment parts
[G92] Chemical machinery
[G93] Chemical equipment
[G94] Non-metal chemical machinery equipment
[G95] Machinery for rubber and plastic
[G96] Machinery for sensitive material and magnetic tape
[G98] Special chemical instrument and meter
[H00] Standardization and quality management
[H01] Technical management
[H02] Economic management
[H04] Basic standards and general methods
[H05] Structural element
[H07] Computer application
[H08] Marking, packaging, transport and storage
[H09] Hygiene, safety and labor protection
[H10] Metallochemistry analysis method in general
[H11] Steel and iron alloy analysis method
[H12] Light metals and their alloys analysis method
[H13] Heavy metals and their alloys analysis method
[H14] Rare metals and their alloys analysis method
[H15] Precious metals and its alloy analysis method
[H16] Powder metallurgy analysis method
[H17] Semimetal and semiconductor material analysis method
[H20] Metal physical and chemical property test method in general
[H21] Metal physical property test method
[H22] Metal mechanical property test method
[H23] Metal processing property test method
[H24] Metallographic testing method
[H25] Metal chemical property test method
[H26] Metal nondestructive testing method
[H30] Metallurgy material and auxiliary material in general
[H31] Artificial rich ore
[H32] Coke
[H34] Beneficiation reagent
[H40] Steel and iron products in general
[H41] Pig iron
[H42] Iron alloy
[H43] Steel ingot and billet
[H44] Profile steel and deformed steel
[H46] Steel sheet and strip
[H48] Steel tube and cast iron pipe
[H49] Steel wire and wire rope
[H52] Railway steel
[H53] Electrotechnical steel
[H54] Other steel and iron products
[H57] High temperature alloy
[H58] Precision alloy
[H59] Other special alloys
[H60] Non-ferrous metals and their alloys products in general
[H61] Light metals and their alloys
[H62] Heavy metals and their alloys
[H63] Rare refractory metals and their compounds
[H64] Rare light metals and their alloys
[H65] Rare metals and their alloys
[H66] Rare scattered metals and their alloys
[H67] Radioactive metals and their alloys
[H68] Precious metals and their alloys
[H69] Secondary nonferrous metals and their alloys
[H70] Powder metallurgy in general
[H71] Metal and alloy powder
[H72] Powder metallurgy material and product
[H80] Semimetal and semiconductor material in general
[H81] Semimetal
[H82] Elemental semiconductor material
[H83] Compound semiconductor material
[H90] Metallurgical machinery in general
[H91] Coke and knot making equipment
[H92] Metallurgical equipment
[H93] Ingot and blank casting equipment
[H94] Rolling equipment
[H95] Metallurgy heating and heat treatment equipment
[J00] Standardization and quality management
[J01] Technical management
[J02] Economic management
[J04] Basic standards and general methods
[J05] Structural elements
[J07] Computer application
[J08] Marking, packaging, transport and storage
[J09] Hygiene, safety and labor protection
[J10] Universal parts in general
[J11] Rolling bearing
[J12] Sliding bearing
[J13] Fastener
[J15] Pipeline fittings
[J16] Valve
[J17] Gear and gear drive
[J18] Chain drive, belt drive and key joint
[J19] Coupling, brake and speed variator
[J20] Hydraulic and pneumatic device
[J21] Lubrication and lubrication device
[J22] Sealing and sealing device
[J24] Cooling and cooling device
[J26] Spring
[J27] Operation piece
[J28] Automatic logistics equipment
[J29] Others
[J30] Processing technology in general
[J31] Casting
[J32] Forging and pressing
[J33] Welding and cutting
[J36] Heat treatment
[J38] Cold processing technology
[J39] Non-traditional processing technology
[J40] Technological equipment in general
[J41] Cutting tools
[J42] Measuring tool and instrument
[J43] Grinding material and apparatus
[J44] General grippers
[J45] Combination grippers
[J46] Mould
[J47] Hand tool
[J48] Pneumatic tool
[J50] Machine tool in general
[J51] Machine tool element
[J52] Machine tool assistive device and accessory
[J53] Lathe
[J54] Drilling, boring and milling machine
[J55] Grinding machine
[J56] Gear and thread cutting machine
[J57] Slotting, broaching, planing and sawing machines
[J58] Combined machine tool
[J59] Non-traditional processing machine tool
[J60] Universal processing machinery and equipment in general
[J61] Casting equipment
[J62] Metal forming machinery
[J64] Welding and cutting equipment
[J65] Woodworking machine and machine tool
[J66] Heat treatment equipment
[J70] Universal machinery and equipment in general
[J71] Pump
[J72] Compressor and fan
[J73] Refrigeration equipment
[J74] Pressure vessel
[J75] Heat-exchange equipment
[J76] Gas separation and liquefaction equipment
[J77] Separating machinery
[J78] Vacuum technique and equipment
[J80] Hoisting machinery
[J81] Conveying machinery
[J83] Storage equipment and handling machinery
[J84] Rock drilling machinery
[J86] Hydraulic machinery
[J87] Printing machinery
[J88] Environmental protection equipment
[J90] Piston type internal combustion engine and other power equipment in general
[J91] Internal combustion engine and auxiliary equipment
[J92] Engine body and moving parts
[J93] Air intake/exhaust system
[J94] Fuel oil heating system
[J95] Lubricating system
[J96] Cooling system and heating equipment
[J98] Boiler and its auxiliary equipment
[J99] Other power equipment
[K00] Standardization and quality management
[K01] Technical management
[K02] Economic management
[K04] Basic standards and general methods
[K05] Electrical product mechanical structure
[K07] Computer application
[K08] Marking, packaging, transport and storage
[K09] Hygiene, safety and labor protection
[K10] Electrotechnical material and universal parts in general
[K11] Bare wire
[K12] Wire with insulation layer
[K13] Cable and its accessory
[K14] Electrician alloy parts
[K15] Electrical insulating material and its products
[K16] Electrical carbon product
[K20] Electric rotating machinery in general
[K21] Synchronous machine
[K23] DC machine
[K24] Micro machine
[K25] Explosion-proof electric machine
[K26] Special machine
[K30] Low voltage apparatus in general
[K31] Low-voltage distribution electrical equipment
[K32] Control circuit apparatus
[K33] Control relay
[K34] Electrical equipment for special use
[K35] Explosion-proof electric apparatus
[K36] Low-voltage distribution tool
[K40] Electric transmission and transformation equipment in general
[K41] Transformer
[K42] Power capacitor
[K43] High voltage switchgear
[K44] Complete equipment for high voltage device
[K45] Relay protection and automatic device
[K46] Power semiconductor device and parts
[K47] Electric transmission line and equipment
[K48] Insulator
[K49] Lightning arrester
[K51] Power station equipment automation devices
[K52] Generating unit
[K54] Steam turbine and its auxiliary equipment
[K55] Water turbine and its auxiliary equipment
[K56] Gas turbine and its auxiliary equipment
[K58] Internal combustion engine and its auxiliary equipment
[K59] Other generating equipment
[K60] Electrical equipment and tool in general
[K61] Industrial electric heating equipment
[K62] Electric drive control equipment
[K63] Electric traction equipment
[K64] Electric tool
[K65] Other electric appliances
[K70] Electric lighting in general
[K71] Electric light source products
[K72] General lamps
[K73] Special lamps
[K74] Lamp accessories
[K80] Power supply in general
[K81] AC/DC supply units
[K82] Electrochemical power source
[K83] Physical power source
[K84] Electrical energy storage device
[K85] Power supply equipment
[K90] Electrical production equipment in general
[K91] Electrical material production equipment
[K92] Electrical machine production equipment
[K93] Electrical appliance production equipment
[K94] Electrical porcelain production equipment
[K95] Electric light source and lamp production equipment
[K96] Storage battery production equipment
[K97] Other electrical production equipment
[L00] Standardization and quality management
[L01] Technical management
[L02] Economic management
[L04] Basic standards and general methods
[L05] Reliability and maintainability
[L06] Electromagnetic compatibility
[L07] Computer application
[L08] Marking, packaging, transport and storage
[L09] Hygiene, safety and labor protection
[L10] Electronic element in general
[L11] Capacitor
[L13] Resistor
[L14] Potentiometer
[L15] Sensitive component and sensor
[L17] Inductor and transformer
[L18] Filter and delay line
[L19] Magnetic component
[L21] Quartz crystal and piezoelectric element
[L22] Switch
[L23] Connector
[L24] Connecting piece for installation and wiring
[L25] Relay and chopper
[L26] Wave guide coaxial component and accessory
[L30] Printed circuit
[L31] Electroacoustic device
[L33] Small and special electrical machine for electronic equipment
[L34] Other electronic components
[L35] Electron tube in general
[L36] Receiving/Originating tube
[L37] Microwave tube
[L38] Electron beam tube
[L39] Other electron tube
[L40] Semiconductor discrete devices in general
[L41] Semiconductor diode
[L42] Semiconductor triode
[L43] Semiconductor rectifier devices
[L44] Field effect device
[L45] Microwave and millimeter wave diode and triode
[L46] Thermoelectric cooling module and device
[L47] Others
[L50] Optoelectronic device assembly
[L51] Laser device
[L52] Infrared device
[L53] Semiconductor emitting device
[L54] Semiconductor photosensing device
[L55] Microcircuit in general
[L56] Semiconductor integrated circuit
[L57] Film integrated circuit
[L58] Hybrid integrated circuit
[L59] Micromodule
[L60] Computer in general
[L61] Design and quality evaluation of computer
[L62] Computer equipment
[L63] Computer peripherals
[L64] Data medium
[L65] System equipment interface
[L66] Computer controlled tool
[L67] Computer application
[L70] Information processing technology in general
[L71] Code, character set and character recognition
[L72] Data element representing method
[L73] Information processing system design and documentation
[L74] Program language
[L75] Label and file structure
[L76] Text preparation and communication
[L77] Software engineering
[L78] Data information
[L79] Opening and system interconnection of computer
[L80] Data encryption
[L81] Computer graphic
[L85] Electronic measurement and equipment in general
[L86] Universal electronic measuring instrument, equipment and system
[L87] Instrument and equipment for electronic test
[L88] Other electronic instrument and equipment
[L89] Power supply and power supply unit
[L90] Special electronic technology material
[L91] Conductor and cable for electronic equipment
[L92] Insulating parts for electronic equipment
[L93] Metal parts for electronic equipment
[L94] Mechanical structural member for electronic equipment
[L95] Electronic industry production equipment in general
[L96] Surface protection equipment
[L97] Dedicated processing equipment
[L98] Dedicated inspection equipment
[L99] Other production equipment
[M00] Standardization and quality management
[M01] Technical management
[M02] Economic management
[M04] Basic standards and general methods
[M05] Universal parts and line materials
[M07] Computer application
[M08] Marking, packaging, transport and storage
[M09] Hygiene, safety and labor protection
[M10] Communication network in general
[M11] Communication network technical system
[M12] Communication network number, signal and connection
[M13] Communication network architecture
[M14] Communication network transmission system interface
[M15] Communication network performance index and testing
[M16] Information transmission index
[M17] Arrangement of transmission system group and frequency spectrum
[M18] Communication equipment capacity series
[M19] Telecommunication technical requirements and interface
[M20] Communication switcher program control language
[M21] Telecommunication services
[M30] Communication equipment in general
[M31] Carrier communication equipment
[M32] Data communication equipment
[M33] Optical communication equipment
[M34] Microwave communication equipment
[M35] Satellite communication equipment
[M36] Radio communication equipment
[M37] Mobile communication equipment
[M38] Digital communication equipment
[M39] Facsimile telegraph equipment
[M40] Telephone communication equipment
[M41] Telecommunication power supply equipment
[M42] Communication line and equipment
[M50] Radar, navigation, remote control, remote measuring and antenna synthesis
[M51] Antenna and its feeder
[M53] Radar, navigation equipment and system
[M54] Remote control and remote measuring equipment and system
[M57] Electronic system engineering
[M58] Dedicated carriage and shelter for electronic equipment
[M60] Broadcasting and television network in general
[M61] Broadcasting and television system
[M62] Broadcasting and television network structure
[M63] Program transmission
[M64] Program transmission system interface
[M70] Broadcasting and television equipment in general
[M71] Recording equipment
[M72] Sound and electronic sound equipment
[M73] Video and pulse system equipment
[M74] Broadcasting and television transmission and receiving equipment
[M75] Satellite broadcasting equipment
[M76] Industrial and educational television
[M79] Broadcasting and television equipment maintenance
[M80] Postal service in general
[M81] Post network system
[M82] Postal machinery
[M83] Postal packaging
[M84] Postal instrument
[M85] Postal code, postal hub internal technological process
[M90] Communication and broadcasting equipment manufacturing machine in general
[M91] Communication equipment manufacturing machine and tool
[M92] Antenna, radar, navigation, remote control equipment manufacturing machine and engineering
[M93] Broadcasting and television equipment manufacturing machine and tool
[N00] Standardization and quality management
[N01] Technical management
[N02] Economic management
[N04] Basic standards and general methods
[N05] Material and component for instrument and meter
[N06] Technology and technological equipment
[N07] Computer application
[N08] Marking, packaging, transportation and storage
[N09] Hygiene, safety and labor protection
[N10] Industrial automation and control device in general
[N11] Temperature and pressure instrument
[N12] Flow capacity and material level instrument
[N13] Mechanical quantity instrument, automatic weighing equipment and other measuring instrument
[N14] Display recording instrument
[N15] Monitoring instrument
[N16] Actuator
[N17] Automatic control and remote control equipment
[N18] Industrial control and computer application equipment
[N19] Other automation devices
[N20] Electrical instrument and meter in general
[N21] Electrical logging simulation indicating instrument
[N22] Electric energy measurement and load control system
[N23] Digital display instrument
[N24] Magnetic measurement instrument
[N25] AC/DC electrical instrument recording instrument
[N26] Integrated test system
[N27] Recording instrument and light oscillograph
[N28] Extensive magnitude and exchanger
[N29] Electrical parametric test and power supply unit
[N30] Optical instrument in general
[N31] Telescope, geodetic survey and aerial survey instrumentation
[N32] Magnifier and microscope
[N33] Electron optics and other physical optics instrument
[N34] Optical metrological instrument
[N35] Optical testing instrument
[N38] Optical equipment
[N40] Movie, photo, micro and copier equipment in general
[N41] Film making equipment
[N42] Projection equipment and its accessory
[N43] Lens
[N44] Test equipment and test plate instrument
[N45] Projector and slide projector
[N46] Camera and photograph instrument
[N47] Micro and copier machinery
[N50] Material composition analysis instrument and environment detection instrument in general
[N51] Physical property analyzer
[N52] chromatograph
[N53] Electrochemical, thermochemistry and optical profile type analyzer
[N54] Mass spectrometer, liquid spectrometer, energy spectrometer and combined devices of them
[N55] Other material composition analyzer
[N56] Environmental monitoring instrument and its complete equipment
[N60] Laboratory instrument and vacuum instrument in general
[N61] Basic laboratory equipment
[N62] Deformeter, casting instrument and dynamic test instrument
[N63] Soil and crop test instrument
[N64] Laboratory glass, ceramic and plastic vessel
[N65] Acoustic instrument and seismograph
[N67] Microscopic test and other laboratory instruments
[N68] Vacuum testing instrument and equipment
[N70] Testing machine and nondestructive flaw detector in general
[N71] Metal material testing machine
[N72] Nonmetal material testing machine
[N73] Mechanical vibration, impact equipment and dynamic balancing machine
[N74] Force and deformation test instrument
[N75] Technology and packaging testing machine
[N77] Ultrasonic wave and sound radiation defectoscope
[N78] X ray, magnetic powder, fluorescent light and other defectoscope
[N91] Earth science instrument
[N92] Oceanographic instrumentation
[N93] Hydrology and water conservancy instrument
[N94] Astronomical instrument
[N95] Meteorological instrument
[N96] Time measurement instrument
[P00] Standardization and quality management
[P01] Technical management
[P02] Economic management
[P04] Basic standards and general methods
[P07] Computer application
[P09] Hygiene, safety and labor protection
[P10] Engineering investigation and geotechnical engineering in general
[P11] Engineering survey
[P12] Engineering hydrology
[P13] Engineering location, hydrogeological survey and geotechnical engineering
[P14] Engineering geophysical exploration and remote sensing exploration survey
[P15] Engineering seismic resistance
[P16] Engineering fire protection
[P18] Civil air defense works
[P20] Engineering structure in general
[P21] Earthwork and tunneling works
[P22] Subgrade and foundation engineering
[P23] Timber engineering
[P24] Masonry engineering
[P25] Concrete structure engineering
[P26] Metal structure engineering
[P27] Composite structure engineering
[P28] Bridge and culvert engineering
[P30] Industrial and civil construction engineering in general
[P31] Architectural physics
[P32] Building construction and decoration engineering
[P33] Residential and public building engineering
[P34] Industrial construction engineering
[P35] Agriculture, forestry, husbandry and fishery construction engineering
[P36] Building maintenance engineering
[P40] Water supply and draining engineering in general
[P41] Outdoor water supply and draining engineering
[P42] Building water supply and draining engineering
[P45] Heat supply, air supply, air conditioning and refrigerating engineering in general
[P46] Heat supply and heating engineering
[P47] Gas supply engineering
[P48] Ventilation and air conditioning engineering
[P49] Refrigerating engineering
[P50] Urban and rural planning
[P51] Urban traffic engineering
[P52] Ropeway engineering
[P53] Landscaping and city appearance sanitation
[P55] Water conservancy and water power engineering in general
[P56] Watershed planning and river regulating engineering
[P57] Irrigation drainage and soil and water conservation engineering
[P58] Flood control and waterlogging drainage engineering
[P59] Water power engineering
[P60] Electric power engineering in general
[P61] Power station engineering
[P62] Power transmission and transformation engineering
[P63] Power supply and distribution engineering
[P64] Nuclear industry engineering
[P65] Railway engineering
[P66] Highway engineering
[P67] Port and waterway engineering
[P68] Aviation and aerospace engineering
[P70] Mine and coal engineering
[P71] Petroleum engineering
[P72] Petrochemical and chemical industry engineering
[P73] Metallurgical industry engineering
[P74] Building material industry engineering
[P75] Forestry industry engineering
[P76] Communication engineering
[P77] Broadcasting, movie and television engineering
[P80] Machinery and instrument manufacturing industry engineering
[P82] Electronic manufacturing industry engineering
[P83] Shipping industry engineering
[P84] Explosive and initiator industry engineering
[P85] Agriculture and animal husbandry and agricultural reclamation engineering
[P86] Forestry engineering
[P87] Aquatic product and fishery engineering
[P88] Light industry engineering
[P89] Textile industry engineering
[P90] Industrial equipment installation engineering in general
[P91] Electrical construction installation engineering
[P92] Telecommunication equipment installation engineering
[P93] Mechanical equipment installation engineering
[P94] Metal equipment and process pipe installation engineering
[P95] Construction machinery and equipment in general
[P96] Operating equipment, instrument and meter
[P97] Architectural engineering construction machinery
[P98] Hydraulic engineering construction machinery and equipment
[Q00] Standardization and quality management
[Q01] Technical management
[Q02] Economic management
[Q04] Basic standards and general methods
[Q07] Computer application
[Q08] Marking, packaging, transportation and storage
[Q09] Hygiene, safety and labor protection
[Q10] Building materials products in general
[Q11] Cement
[Q12] Cement composite material and additives
[Q13] Concrete, aggregate, plaster and mortar
[Q14] Concrete product
[Q15] Wall
[Q17] Roof and pavement waterproof and barrier material
[Q18] Decorative material
[Q20] Road material
[Q21] Masonry product
[Q22] Constructional plastics product
[Q23] Fibre reinforced composites
[Q24] Sealing material
[Q25] Heat insulation, sound absorption, light fireproof material
[Q27] Binding material
[Q30] Ceramic and glass in general
[Q31] Building sanitary ceramics
[Q32] Special ceramics
[Q33] Building glass
[Q34] Industrial technical glass
[Q35] Quartz glass
[Q36] Glass fibre
[Q37] Special glass
[Q38] Cast stone
[Q40] Fireproof material in general
[Q41] Siliceous refractory
[Q42] Argillaceous and high alumina fire resistance
[Q43] Basic refractory
[Q44] Special refractory
[Q45] Shaped insulating refractory
[Q46] Unshaped refractory
[Q47] Refractory fibre
[Q49] Other refractory material
[Q50] Carbon material in general
[Q51] Graphite material
[Q52] Carbon material
[Q53] Special carbon material
[Q60] Other non-metal mine product in general
[Q61] Asbestos material
[Q62] Gypsum product
[Q63] Mica splitting and product
[Q64] Talcum material
[Q65] Artificial lens
[Q69] Other non-metal mine product
[Q70] Building members, accessories and equipment in general
[Q71] Wood components and accessories
[Q72] Concrete components and accessories
[Q73] Metal components and accessories
[Q74] Plastic components and accessorie
[Q75] Indoor fixed equipment and instrument
[Q76] Building heating and ventilation and air conditioning instrument and equipment
[Q77] Building electrical equipment and disaster prevention equipment and instrument
[Q78] Elevator
[Q80] Public and municipal construction equipment in general
[Q81] Water supply and draining instrument and equipment
[Q82] Air supply instrument and equipment
[Q83] Heat supply instrument and equipment
[Q84] Urban traffic facility
[Q85] Urban highway equipment and facility
[Q86] City appearance sanitary equipment and facility
[Q87] Garden animal and plant and their equipment
[Q90] Building material machinery and equipment in general
[Q91] Brick and tile making equipment
[Q92] Cement and cement product equipment
[Q93] Equipment for glass and glass fiber
[Q94] Ceramic equipment
[Q95] Refractory material equipment
[Q96] Carbon product equipment
[Q99] Other building material equipment
[R00] Standardization and quality management
[R01] Technical management
[R02] Economic management
[R04] Basic standards and general methods
[R06] Transportation material consumption and energy conservation
[R07] Computer application
[R08] Marking, packaging, transport and storage
[R09] Hygiene, safety and labor protection
[R10] Highway transportation in general
[R11] Passenger traffic
[R12] Freight traffic
[R13] Highway container transport and unitized transport
[R14] Cargo handling
[R15] Warehouse and storage yard operation and management
[R16] Highway vehicle utilization, maintenance and service
[R17] Highway vehicle servicing installation
[R18] Highway protection and maintenance
[R19] Highway maintenance machinery and its utilization and service
[R20] Waterway transportation
[R21] Ship handling and turbine management
[R22] Ship navigation safety and transmission safety standards
[R24] Passenger transport
[R25] Freight transport
[R26] Waterway container transport and unitized transport
[R27] Hover marine transportation
[R28] Management, utilization and service of marine communication and navigation equipment
[R29] Management, utilization and service of shore station communication equipment
[R30] Ship maintenance and service in general
[R31] Ship hull and outfitting maintenance and service
[R32] Marine auxiliary machinery and pipeline fittings maintenance and service
[R33] Dedicated ship maintenance and service equipment
[R34] Repair and maintennance of marine eletrical, observiation and navigation equipment
[R40] Port handling in general
[R41] Port job scheduling
[R42] Port communication and navigation
[R43] Port handling operation
[R44] Port warehouse and storage yard operation and management
[R45] Dedicated port facilities
[R46] Port handling machinery and accessory
[R50] Rescue, salvage and diving in general
[R51] Rescue and salvage
[R52] Underwater environmental condition and test method
[R53] Diving and its physiological condition
[R54] Underwater service
[R55] Diving equipment
[R56] Salvage equipment
[R60] Navigation channel and mark in general
[R61] Navigation channel management and maintenance
[R62] Navigation mark product
[R63] Navigation mark setting and operating
[R64] Navigation mark management and service
[R80] Traffic control in general
[R81] Traffic accident management
[R82] Vehicle management
[R84] Traffic order management
[R85] Traffic information management
[R86] Traffic safety detecting equipment
[R87] Traffic control system
[S00] Standardization and quality management
[S01] Technical management
[S02] Economic management
[S04] Basic standards and general methods
[S05] Materials
[S06] Railway insignia and uniform
[S07] Computer application
[S09] Safety, hygiene and labor protection
[S10] Railway construction equipment in general
[S11] Railway components
[S12] Turnout and steel rail expansion piece
[S13] Bridge, culvert and tunnel components
[S14] Station and section equipment
[S16] Railway construction product manufacturing equipment
[S17] Railway construction product maintenance and service
[S19] Railway construction machinery
[S20] Railway construction machinery manufacturing process and equipment
[S21] Railway construction machinery utilization and service
[S22] Railway maintenance machinery
[S23] Railway maintenance machinery manufacturing process and equipment
[S24] Railway maintenance machinery utilization and service
[S30] General rolling stock standards in general
[S31] Car coupler and shock absorber
[S32] Braking system
[S33] Moving parts
[S34] Universal parts
[S35] Electric traction equipment
[S38] Locomotive manufacturing equipment
[S39] Locomotive repair technology and equipment
[S40] Locomotives in general
[S41] Electric locomotives
[S42] Diesel locomotives
[S43] Steam locomotives
[S45] Mining electric locomotives
[S46] Mining diesel locomotives
[S49] Other locomotives
[S50] Railway vehicles in general
[S51] Railway passenger coaches
[S52] Railway trucks
[S53] Railway special vehicles
[S55] Standard-gauge mining railway vehicles
[S56] Narrow gauge mining railway vehicles
[S60] Railway signals in general
[S61] Signal equipment
[S62] Station interlocking
[S63] Blocking systems and axle counters
[S64] Remote control and communication
[S65] Humping equipment
[S68] Signal product manufacturing equipment
[S69] Signal repair technology and equipment
[S70] Railway communication in general
[S71] Railway communication network
[S72] Train broadcast and television
[S73] Railway communication equipment
[S78] Manufacturing and equipment of communication products
[S79] Communication repair technology and equipment
[S80] Traction power supply in general
[S81] Traction substation
[S82] Fittings for overhead contact system
[S83] Equipment for manufacturing of traction power supply products
[S84] Traction power supply repair technology and equipment
[S90] Railway transport in general
[S91] Combined transport
[S92] Passenger transport
[S93] Freight transport
[S94] Plant and mine transport
[S97] Railway handling machinery
[S98] Manufacturing equipment of railway handling machinery
[S99] Use and repair of railway handling machinery
[T00] Standardization and quality management
[T01] Technical management
[T02] Economic management
[T04] Basic standards and general methods
[T05] Special materials and their products
[T06] Process and tooling
[T07] Computer application
[T08] Marking, packaging, transport and storage
[T09] Hygiene, safety and labor protection
[T10] Automotive engines in general
[T11] Engines and accessory devices
[T12] Engine body and moving parts
[T13] Intake, exhaust and fuel supply systems
[T14] Lubrication and cooling systems; heating devices
[T20] Automobile chassis and vehicle body in general
[T21] Transmission system
[T22] Bearing system
[T23] Steering and operation systems
[T24] Braking system
[T25] Chassis and other assemblies
[T26] Vehicle body (cab) and accessories
[T27] Passenger cabinet
[T28] Front sheet metal lagging
[T30] Universal vehicle parts in general
[T31] Fasteners
[T32] Plug screws, pipe fittings
[T33] Lubricating parts, seals and connecting pieces
[T34] Others
[T35] Electronic/electrical equipment and instruments for vehicle in general
[T36] Electronic and electrical equipment
[T37] Ignition device
[T38] Lighting and signaling equipment
[T39] Instruments and test devices for vehicle
[T40] Automobiles in general
[T41] Car
[T42] Bus
[T43] Truck
[T44] Offroad vehicle
[T45] Towing vehicle
[T46] Dump truck
[T47] New energy vehicle and other automobiles
[T50] Special automobiles in general
[T51] Specialized municipal automobile
[T52] Life service automobile
[T53] Engineering vehicle
[T54] Farm, livestock, by-product and fish vehicles
[T55] Forestry and coal transport vehicles
[T56] Medical service and epidemic control vehicles
[T57] Container car
[T58] Tank lorry
[T59] Other special automobiles
[T60] Tractors in general
[T61] Tractor
[T62] Hydraulic lift system
[T63] Transmission system
[T64] Traveling system
[T65] Steering system
[T66] Braking system
[T67] PTO shaft and traction gear
[T68] Electrical devices and instruments
[T69] Cab and others
[T70] Trailers in general
[T71] Trailer
[T72] Towing device
[T73] Bearing system
[T74] Braking system
[T75] Passenger cabinet
[T76] Electrical apparatus and light fixture
[T80] Motorcycles in general
[T81] Engine
[T82] Transmission and braking system
[T83] Bearing system
[T84] Steering and operation system
[T85] Electronic and electrical equipment
[T90] Trolley bus and other vehicles in general
[U00] Standardization and quality management
[U01] Technical management
[U02] Economic management
[U04] Basic standards and general methods
[U05] Vessel materials and their inspection methods
[U06] Vessel technology
[U07] Computer application
[U08] Marking, packaging, transport and storage
[U09] Hygiene, safety and labor protection
[U10] Overall vessels in general
[U11] Ship theory and model test
[U12] General structure of ship hull
[U13] Marine transportation vessels
[U14] Inland water transportation vessels
[U15] Fishing vessels
[U16] Auxiliary vessels and survey vessels
[U17] Ocean platforms
[U18] Small vessels
[U20] Rigging equipment outfit in general
[U21] Mooring fittings
[U22] Deck machinery
[U23] Fire fighting equipment
[U24] Marine installations
[U25] Accommodation outfit
[U26] Deck fittings
[U27] Life saving apparatus
[U28] Underwater apparel and tackle
[U30] Specialized vessel devices in general
[U31] Special equipment for marine transportation vessel
[U32] Special equipment for inland water transportation vessel
[U33] Special devices for fishing vessel
[U34] Special devices for auxiliary vessel and survey vessel
[U35] Special devices for ocean platform
[U37] Devices for small vessel
[U40] Main and auxiliary machines for vessel in general
[U41] Marine boiler and steam engine
[U42] Engine room equipment
[U43] Marine turbo machine and gas turbine
[U44] Marine internal-combustion engine
[U46] Marine nuclear powerplant
[U47] Compartment auxiliary machine
[U48] Shafting equipment
[U50] Vessel pipeline fittings in general
[U52] Marine valve fittings
[U53] Marine gate valves and plug cocks
[U54] Marine ventilation accessories
[U55] Marine pipe fittings
[U56] Marine communication remote-control & manipulation accessories
[U57] Marine hydraulic/pneumatic elements and accessories
[U60] Electrical, observation/communication and navigation equipment for vessel in general
[U61] Power generation, transformation and distribution equipment for vessel
[U62] Electric control devices and measurement equipment for vessel
[U63] Lighting and other electrical devices for vessel
[U65] Navigation equipment
[U66] Marine communication equipment
[U67] Underwater sound equipment
[U68] Observation equipment for vessel
[U69] Electrical installation parts for vessel
[U80] Vessel manufacturing process devices in general
[U81] Body manufacturing process device
[U82] Turbine manufacturing process device
[U83] Electrical equipment manufacturing process device
[U84] Vessel instrument manufacturing process device
[U90] Special technological equipment for shipbuilding in general
[U91] Special equipment for shipbuilding
[U92] Special equipment for main and auxiliary machine manufacturing
[U93] Special equipment for instrument and apparatus for shipbuilding
[U99] Other equipment for shipbuilding
[V00] Standardization and quality management
[V01] Technical management
[V02] Economic management
[V04] Basic standards and general methods
[V05] Reliability
[V06] Ambient conditions
[V07] Computer application
[V08] Marking, packaging, transport and storage
[V09] Hygiene, safety and labor protection
[V10] Basic standards for aviation and aerospace materials
[V11] Metal casting and forging materials used for aviation and aerospace
[V13] Nonmetallic materials used for aviation and aerospace
[V15] Composite materials and solid fuels
[V16] Hot processing technology
[V18] Cold processing technology
[V20] Fasteners
[V21] Pipe fittings, clamps and seals
[V22] Mechanical gadgets and components
[V23] Elastic elements
[V25] Electronic components
[V26] Sensor elements
[V27] Structural members of electrical devices
[V28] Aerospace initiation and ignition devices
[V29] Aerospace hydraulic elements and accessories
[V30] Engine
[V31] Engine auxiliary system and its accessories
[V32] Engine spare parts
[V35] Aircraft and its accessories in general
[V36] General technical requirements
[V37] Manipulation system and its accessories
[V38] Hydraulic and pneumatic systems and their accessories
[V39] Fuel system and its accessories
[V40] Electrical system and equipment
[V41] Navigation and communication system and equipment
[V42] Takeoff and landing devices
[V43] Driving force installation and manipulation
[V44] Life-support system and equipment
[V45] Aircraft instruments
[V46] Aircraft test apparatus
[V47] Aviation balloon
[V50] Air transport and ground equipment in general
[V51] Passenger transport
[V52] Freight transport
[V53] General aviation
[V54] Air traffic control
[V55] Aircraft maintenance and management
[V56] AGS system and equipment
[V57] Special vehicles
[V58] Flight training and equipment
[V59] Aviation sports equipment
[V70] Spacecraft in general
[V71] Spacecraft
[V72] Spacecraft power system
[V73] Spacecraft control and guidance system
[V74] Spacecraft stable system
[V75] Spacecraft telemetering and remote sensing system
[V76] Energy equipment for spacecraft
[V80] Aerospace ground equipment in general
[V81] Ground test equipment
[V82] Ground measurement and control equipment
[V83] Ground control and guidance system
[V84] Transporting, hoisting and filling equipment
[V85] Launching and launch-control equipment
[V86] Ground power source equipment
[V90] Aircraft and spacecraft manufacturing equipment in general
[V91] Cutters
[V92] Measuring devices
[V93] Clamping fixtures
[V94] Moulds
[V95] Tools
[V96] Special equipment for aircraft manufacturing
[V97] Special equipment for spacecraft manufacturing
[W00] Standardization and quality management
[W01] Technical management
[W02] Economic management
[W04] Basic standards and general methods
[W05] Technology
[W06] Comprehensive utilization
[W07] Computer application
[W08] Marking, packaging, transport and storage
[W09] Hygiene, safety and labor protection
[W10] Cotton textile in general
[W11] Half finished cotton products
[W12] Cotton yarns and threads
[W13] Cambrayon and cotton products
[W20] Wool textile in general
[W21] Half finished wool products
[W22] Wool yarns and threads
[W23] Wool gray fabric and products
[W27] Industrial wool and felt
[W30] Ramie textile in general
[W31] Half finished linen products
[W32] Linen yarn and threads
[W33] Linen cloth
[W40] Silk and silk fabric in general
[W41] Half-finished silk and silk fabric products
[W42] Silk yarns and threads
[W43] Silk and silk textile products
[W50] Chemical fibre in general
[W51] Half finished chemical fibre products
[W52] Chemical fibre
[W55] Textile articles in general
[W56] Blankets
[W57] Textile end products
[W58] Threads, straps and ropes
[W59] Other textile articles
[W60] Knitted fabric in general
[W61] Knitting yarns and threads
[W62] Knitted grey fabrics
[W63] Knit articles
[W70] Printed and dyed articles
[W71] Printed and dyed cotton and cotton-blended fabric articles
[W72] Printed and dyed wool and wool-blended fabric articles
[W73] Printed and dyed linen and linen-blended fabric articles
[W74] Printed and dyed silk and silk-blended fabric articles
[W76] Printing and dyeing of textile articles
[W77] Printing and dyeing of knit articles
[W90] Textile machinery and apparatus in general
[W91] Textile machinery spare parts
[W92] Electricity and automation control devices for textile machinery
[W93] Spinning machinery and apparatus
[W94] Knitting machinery and apparatus
[W95] Dyeing and finishing machinery and apparatus
[W96] Machinery and apparatus for knit and textile articles
[W97] Chemical fiber machinery and instrument
[W98] Textile testing instrument
[X00] Standardization and quality management
[X01] Technical management
[X02] Economic management
[X04] Basic standards and general methods
[X07] Computer application
[X08] Marking, packaging, transport and storage
[X09] Hygiene, safety and labor protection
[X10] Food processing and products in general
[X11] Grain processing and products
[X14] Grease and oil processing and products
[X16] Milk and dairy products
[X18] Fowl and egg processing and products
[X20] Aquatic products processing and products
[X22] Meat processing and products
[X24] Fruit processing and products
[X26] Vegetable processing and products
[X28] Baking products
[X30] Sugar refining and sugar products in general
[X31] Sugar refining
[X33] Processed sugar
[X34] Saccharified residues
[X35] Salt production in general
[X37] Crude salt
[X38] Salt products
[X40] Food Additives and flavoring agents in general
[X41] Natural food additives
[X42] Synthetic food additives
[X44] Flavoring agents
[X46] Flavoring essences
[X50] Beverages in general
[X51] Beverage products
[X53] Cold drinks and snacks
[X55] Tea products
[X60] Foods fermentation and brewing in general
[X61] Distilled liquors
[X62] Fermented wines
[X63] Blended wines
[X66] Flavoring materials
[X69] Other fermented goods
[X70] Canned foods in general
[X71] Canned meat
[X72] Canned poultry
[X73] Canned fishery
[X74] Canned fruit
[X77] Canned vegetable
[X79] Other canned foods
[X80] Special foods in general
[X81] Puffing and compressed foods
[X82] Children foods
[X83] Health foods
[X85] Tobacco curing in general
[X86] Tobacco processing
[X87] Tobacco
[X89] Others
[X90] Food processing machinery in general
[X91] Grain and oil/fat processing machinery
[X92] Canning process machinery
[X93] Sugar producing machinery
[X94] Tobacco curing machinery
[X95] Brewing machinery
[X96] Salt producing machinery
[X99] Other food processing machinery
[Y00] Standardization and quality management
[Y01] Technical management
[Y02] Economic management
[Y04] Basic standards and general methods
[Y07] Computer application
[Y08] Marking, packaging, transport and storage
[Y09] Hygiene, safety and labor protection
[Y11] Horology
[Y14] Bicycle
[Y17] Sewing machine
[Y20] Daily use glass, ceramic, enamel and plastic products in general
[Y22] Daily use glass products
[Y24] Daily use ceramics products
[Y26] Daily use enamel products
[Y28] Daily use plastic products
[Y30] Papermaking in general
[Y31] Paper pulp and paperboard
[Y32] Paper
[Y33] Paper products
[Y39] Other papers
[Y40] Daily use chemicals in general
[Y41] Fragrances and flavors
[Y42] Cosmetics
[Y43] Tooth paste, soap and detergent
[Y44] Other daily-use chemicals
[Y45] Leather processing and products in general
[Y46] Furs and leathers
[Y47] Artificial leathers and synthetic leathers
[Y48] Fur, leather and artificial leather products
[Y49] Byproducts and comprehensive utilization of furs
[Y50] Culture, education and drawing instruments, notebooks and cards
[Y51] Special instruments for teaching
[Y52] Special instruments for schools
[Y53] Other teaching aids
[Y54] Office supplies and office implements
[Y55] Sports facilities and apparatus
[Y56] Sports goods
[Y57] Toys
[Y58] Musical instruments
[Y60] Basic standards and general methods for household appliances
[Y61] Household air conditioning and cooling appliances
[Y62] Household cleaning and cosmetic appliances
[Y63] Household electric heating appliances
[Y64] Household health care appliances
[Y68] Cooking appliances, basic standards and general methods
[Y69] Others
[Y70] Hardware in general
[Y71] Building hardware
[Y72] Wire products
[Y73] Daily-use hardware
[Y75] Clothing, footgear and headwear in general
[Y76] Clothing and clothing accessories
[Y77] Headwear, gloves and hosiery
[Y78] Footgear
[Y80] Furniture in general
[Y81] Furniture products
[Y82] Furniture accessories
[Y85] Artistic handicrafts and other daily necessaries in general
[Y87] Daily-use bamboo, wood and rattan articles as well as textiles
[Y88] Artistic handicrafts
[Y89] Other daily necessaries
[Y90] Light industry machinery in general
[Y91] Paper manufacturing machinery in general
[Y92] Processing machinery for horology, bicycle and sewing machine
[Y93] Processing machinery for daily use glass, enamel and ceramic
[Y94] Leather processing machinery
[Y96] Furniture processing machinery
[Y97] Hardware and household appliance machinery
[Y99] Other light industry machinery
[Z00] Standardization and quality management
[Z01] Technical management
[Z02] Economic management
[Z04] Basic standards and general methods
[Z05] Specifications for pollution control
[Z06] Natural resource and environment protection
[Z10] Environmental pollutant monitoring methods
[Z11] Gas medium and radioactive substance sampling
[Z12] Sampling methods for liquid mediums and plant, animal and human organism
[Z13] Sampling methods for solid waste, soil and other environmental elements
[Z15] Analysis methods for toxic substances in atmosphere
[Z16] Analysis methods for toxic substances in water
[Z17] Analysis methods for substances in ocean
[Z18] Analysis methods for environmental quality of soils
[Z19] Analysis methods for toxic and harmful substances in animal and plant
[Z20] Analysis methods for toxic and harmful substances in mineral
[Z22] Determination methods for quality of other environmental elements
[Z23] Analysis methods for industrial wastewater and pollutants
[Z25] Analysis methods for exhaust emission pollutants
[Z27] Analysis methods for industrial residue pollutants
[Z29] Analysis methods for mobile pollution sources
[Z30] Analysis and test methods for physical pollution
[Z32] Noise and vibration test methods
[Z33] Analysis and test methods for radioactive substances and radiation intensity
[Z50] Environmental Quality Standard for atmosphere, water and soil
[Z51] Environmental quality standards for specialized fields
[Z52] Environmental quality standards for areas
[Z53] Special area and cross-area environmental standards
[Z54] Environmental quality standards for upper atmosphere
[Z58] Dangerous weather warning standards for special industrial areas
[Z59] Environmental quality standards for other areas
[Z60] Pollutants discharge in general
[Z61] Discharge standards for industrial pollutants of mining areas and raw materials
[Z62] Pollutants discharge standards for mechanical and electrical industries
[Z63] Pollutant discharge standards for light textile industry
[Z64] Discharge standard for mobile pollution sources
[Z66] Permissible standards for discharging into treatment structures
[Z67] Physical pollution control standards
[Z68] Urban domestic pollution source control standards
[Z70] Toxic and harmful solid waste control standards
[Z71] Ordinary solid waste control standards
[Z75] Standards for discharge into rivers
[Z76] Standards for discharge in special areas
[Z77] Standards for discharge in rural areas
[Z79] Standard for discharge in other areas
[D50] Non-metal ore in general
[F30] Electric power in general
[G68] Other reagents
[H18] Chain drive, belt drive and key joint
[H19] Coupling, brake and speed variator
[H27] Operation pieces
[H28] Automatic logistics equipment
[H29] Others
[H33] Welding and cutting
[H36] Heat treatment
[H38] Cold processing technology
[H39] Non-traditional processing technology
[H45] Combination grippers
[H47] Hand tools
[H50] Machine tool in general
[H51] Machine components and parts
[H55] Grinding machine
[H56] Gear and thread cutting machine
[H73] Refrigeration equipment
[H74] Pressure vessels
[H75] Heat-exchange equipment
[H76] Gas separation and liquefaction equipment
[H77] Separating machinery
[H78] Vacuum technique and equipment
[H84] Rock drilling machinery
[H86] Hydraulic machinery
[H87] Printing machinery
[H88] Environmental protection equipment
[H96] Cooling system and heating equipment
[H98] Boiler and its auxiliary equipment
[H99] Other power equipment
[K22] Asynchronous machine
[PP81] Electrical manufacturing industry engineering