Classification of pipes

Classification of pipes, Total:342 items.

The international standard classification for "Classification of pipes" includes: Technical drawings in general , Leisure. Tourism , Sports equipment and facilities , Services in general , Trade. Commercial function. Marketing , Company organization and management in general , Iron ores , Coals , Services , Solid fuels , Equipment for entertainment , food products in general , Seismic and vibration protection , Quality management and quality assurance , Other standards related to quality , Services for consumers , Road transport , Plant growing , Graphical symbols for use on specific equipment , Aircraft and space vehicles in general , Other services , Farming and forestry in general , Animal husbandry and breeding , Semi-manufactures of timber .

The Chinese standard classification for "Classification of pipes" includes: Standardization and Quality Management , Supply and Use Relation , Sports facilities and apparatus , Commerce, Trade and Contract , Economic Management , Iron ore , Solid fuel ore in general , Standardization and quality management , Engineering seismic resistance , Sports goods , Comprehensive Technology , Highway transportation in general , Highway vehicle utilization, maintenance and service , Agriculture and forestry technology , Terms and Symbols , , Technical management , Basic standard and general method on forestry , Domesticate animal , Artificial board .

Qinghai Provincial Standard of the People's Republic of China

DB63/T 981-2011 Classification of Alpine Grassland Degradation
DB63/T 1794-2020 Grading classification of alpine swamp wetland degradation
DB63/T 2048-2022 Classification of short-term approaching rainfall intensity
DB63/T 1725-2018 Classification and assessment of scenic byways

Professional Standard - Chemical Industry

HG 20519.38-1992 Piping class number and piping materials classification

Group Standards of the People's Republic of China

T/GHLA 001-2024 Classification and Accreditation of Rural Homestay Inn
T/STSI 26-2021 Tourism service—Classification for self-driving travel camp
T/CDLY 001-2022 Classification and evaluation for village homestay class
T/NCA 002-2018 Classification and scoring of cleaning service agencies
T/ZJLB 5001-2021 Classification and assessment of rural operators
T/GLAC 0002-2020 Standard of rating for BDS industrial park
T/CATS 001-2020 Classification and accreditation for tourism custom designer
T/BSSF 0010-2024 Specifications for sports skill classification and evaluation of Beijing Primary and Secondary School students—Taekwondo
T/CSSF 003-2020 Classification of sports venues Classification and evaluation of badminton stars
T/CAWA 15-2024 Grading of edible bird's nest producing locations
T/ZGTX 7-2021 Classification and evaluation of adventure campground
T/WLL 001-2021 Classification and assessment of Qiaojiale homestay
T/GZWL 001-2017 Classification and hierarchy for Guizhou provincial logistics nodes
T/SCLX 001-2021 Classification and assessment of hot spring homestay
T/HSHXH 04-2021 Prune garden classification
T/CAMDA 7-2019 Grading specification for irrigation enterprises
T/CMSS 0001-2019 Classification and Evaluation of Tea Specialist Rank System
T/CNFPIA 4005-2021 Classification and evaluation of forest scenic road
T/CAB 0177-2022 General Standards for maternal and infant care service grade classification and site facility management
T/LADA 024-2023 Classification and assessment of classification management of mobile inspection institutions
T/XABEP 00001-2022 Classification requirements for commercial buildings in Xi'an
T/ASFC 1010-2023 Qualification classification and evaluation of flight simulation
T/HNTI 052-2023 Classification and evaluation of tea culture tourist areas
T/NJX 007-2021 Classification and assessment of domestic service agencies
T/SHDSGY 123-2022 Classification and evaluation of home stay
T/GIEHA 014-2019 Qualification grade of oil fume pipeline cleaning service institutions
T/JSCA 002-2018 Classification and evaluation of cleaning service
T/GABEP 001-2020 Classification of commercial office buildings in Nanming District
T/SHJNXH 0009-2021 Classification requirements and assessment method for energy management digital platform
T/SCSVA 0001-2020 Grade classification and assessment of sports venue management and operation
T/GXAS 743-2024 Classification and evaluation for sugarcane fields acidified
T/PTTA MS 001-2017 Classification and assessment of homestay grades
T/JSPFSIA 011-2018 Classification and assessment of domestic service enterprises
T/QGCML 2150-2023 Technical specifications for classification of lightning hazard levels
T/CRSOA 1001-2020 Classification of foot orienteering competition
T/CPPC 1028-2021 Classification and Evaluation of smart rural B&B
T/XYXH 001-2019 Classification and accreditation for elderly dining tables
T/HTBA 001-2023 Classification and identification of the professional ability level of tourist homestay housekeepers
T/SA 30-2021 Classification of travel service self-driving tour camps
T/CDLY 001-2024 Classification and evaluation for village homestay class
T/AOPA 0002-2020 Classification of Air Rescue Site
T/GHLA 002-2024 Classification and Accreditation of Rural Hotels
T/GSQA 012-2020 Classification of plateau summer vegetables
T/YXLX 007-2021 Grading and evaluation standard of study travel tutor
T/BBSCA 001-2020 Classification and assessment of cleaning service enterprises
T/WLLHH 001-2020 Classification and assessment of Qiaojiale homestay

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 3600-2024 Technical specification for black soil quality classification
DB15/T 3619-2024 Classification and evaluation of tourist scenic road stations

Xinjiang Provincial Standard of the People's Republic of China

DB65/T 3841-2015 General rules for the division of science and technology credit ratings
DB65/T 2640-2006 The division of quality and grade of tourist skiing ground
DB65/T 2096-2004 The grade of enterprise of service trade of Good Housekeeping is divided and evaluate
DB65/T 3034-2009 Gr ades of Apr icot Orchard
DB65/T 3288-2011 Classification of Fragrant Pear Garden in Korla
DB65/T 2617-2015 Classification of farmhouse tourism service quality
DB65/T 4044-2017 Classification of Overwintering Frost Damage to Jujube Fruit Trees
DB65/T 2617-2006 Classification on Travel Services Quality of Happy Farmhouse
DB65/T 3312-2011 Sci-Tech Credit Rating Division and Representation Method
DB65/T 2640-2015 Quality classification of tourist ski resorts

Hunan Provincial Standard of the People's Republic of China

DB43/T 2361-2022 Classification and assessment of tourism homestay
DB4301/T 002-2022 Standards for Classification of Service Levels of Commercial Buildings
DB4301/T 3-2023 Classification of conference hotels
DB43/T 2134-2021 Classification of ground lightning
DB43/T 1802-2020 Technical specification for classification of lightning warning levels

Professional Standard - Agriculture

DBN6528/T 047-2006 Jujube orchard classification
DBN6528/T 129-2014 Classification of Winery Vineyards

Guizhou Provincial Standard of the People's Republic of China

DB5201/T 126-2022 Classification and assessment of commercial buildings
DB52/T 1648-2022 Classification and assessment norms of pension institutions
DB52/T 1662-2022 Classification and assessment of hot spring resorts
DB52/T 1678-2022 Standards for classifying cold wave levels
DB52/T 1728-2023 Classification and assessment of rural resort hotels
DB52/T 1401.4-2019 Mountain Tourism Part 4: Classification of Tourist Trails
DB52/T 1743-2023 Classification and evaluation of homestay quality
DB52/T 435-2002 Criteria for Classification of Cultivated Land Fertility in Guizhou Province

Guangxi Provincial Standard of the People's Republic of China

DB45/T 1247-2015 Tridacna bracelet quality classification
DB45/T 2166-2020 Returning to the South Sky Classification
DB45/T 1163-2015 Classification and evaluation of farmhouse quality grades
DB45/T 802-2012 Classification and evaluation of tourist shopping stores

Zhejiang Provincial Standard of the People's Republic of China

DB3302/T 1013-2018 Standards for classification of flower-class hotels
DB33/T 810-2010 Classification and assessment of tourism distribution centers
DB3302/T 1077-2018 Standards for the management and classification of centralized disinfection enterprises for tableware
DB33/T 669-2021 Classification requirements for farmhouse service quality
DB3301/T 0035-2018 Rating and Classification of Elderly Care Institutions
DB33/T 2259-2020 Guidelines for grade of winter injury for tea plant ( Camellia sinensis (L.) O. Kuntze)
DB33/T 1307-2023 Standards for Classification of Smart Highways
DB3301/T 0162-2018 Classification of washing and dyeing enterprises
DB33/T 719-2017 Classification and evaluation of travel agency quality
DB3301/T 0162-2024 Classification of washing companies

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 13391-2009 Division and evaluation for catering enterperises grade
GB/T 18266.5-2023 Ranking standards for sports facilities—Part 5：Star-rating standard for ski resorts
GB/T 41648-2022 Basic requirements and classification for homestay inn
GB/T 31772-2015 Classification and evaluation standard of domestic service agencies
GB/T 18770-2002 Management quality rating and technology requirement for edible salt wholesale enterprises
GB/T 17608-2006 Division of variety and grading for coal products
GB/T 18266.2-2002 Ranking STANDARD for sports facilities - Part 2: Star-rating STANDARD for gymnasium
GB/T 28829-2012 Requirements for supermarket classification
GB/T 27916-2011 Classification and evaluation of department stores
GB/T 18770-2008 Management quality rating and technology requirement for edible salt wholesale enterprises
GB/T 26364-2010 Qualification and gradation on tourist coach companies
GB/T 23791-2009 General rules of grading enterprise quality credit
GB/T 26361-2010 Demarcation and evaluation of facility and service for tourist restaurants
GB/T 18266.1-2000 Ranking STANDARD for gymnasium and playground--Part 1:Star-rating STANDARD for bowling playground
GB/T 32545-2016 Division of production grade for iron ores
GB/T 25212-2010 Classification and quality grading for blue-coke
GB/T 17775-2024 Rating of quality levels of tourist attractions
GB/T 24336-2009 Classification of earthquake damage to lifeline engineering
GB/T 17372-1998 Classification of grade of service trades--General rules
GB/T 24335-2009 Classification of earthquake damage to buildings and special structures
GB/T 26358-2022 Tourist resort rating
GB/T 31380-2015 Classification and accreditation for travel agency
GB/T 17608-2022 Division of variety and grading for coal products
GB/T 41562-2022 Consumer products online reputation—Methods of grading
GB/T 17608-1998 Division of variety and grade for coal products
GB/T 26358-2010 Resort rating
GB/T 27968-2011 Grade assessment and classification for auction enterprises

Shanxi Provincial Standard of the People's Republic of China

DB14/T 703-2012 Classification of Meteorological Disasters
DB14/T 1534-2017 Elderly Care Classification
DB14/T 1646-2018 Meteorological Classification of Grape Freezing Damage
DB1405/T 040-2023 Classification and Evaluation of Elderly Care Institutions
DB14/T 1525-2017 Classification of pension institutions
DB14/T 1548-2017 Classification of Community Elderly Care Institutions
DB1402/T 16-2023 Classification and evaluation of travel agencies
DB14/T 1652-2018 Classification and evaluation of tourist shopping spots
DB14/T 616-2011 Meteorological classification and monitoring of snow disaster
DB1405/T 019-2021 Classification of Home and Community Elderly Care Institutions
DB1405/T 003-2020 Classification and assessment of farmhouse
DB14/T 2838-2023 Classification of meteorological conditions for ozone pollution
DB14/T 2730-2023 Classification and assessment of postpartum rehabilitation managers
DB14/T 2641-2023 Classification and Evaluation of Climatic Quality of Millet
DB1408/T 044-2023 Basic Requirements and Classification of Tiaoshan Station

Anhui Provincial Standard of the People's Republic of China

DB34/T 2117-2014 Classification and assessment of domestic service agencies
DB34/T 2602-2016 Classification and evaluation of creditworthiness in tourist attractions
DB34/T 1597-2012 Classification and labeling of life meteorological index
DB34/T 2118-2014 Classification and assessment of domestic servants
DB34/T 2141-2020 Enterprise quality credit rating evaluation grade division
DB34/T 2601-2016 Classification and evaluation of credit rating of tourist hotels
DB34/T 4271-2022 Classification of regional rainstorm process
DB34/T 1592-2012 Classification of short-term approaching rainfall intensity
DB3402/T 54-2023 Classification and evaluation of urban study rooms
DB34/T 3581-2020 Quality classification of health care tourism scenic spots

Beijing Provincial Standard of the People's Republic of China

DB11/T 2095-2023 Classification of main nuts
DB11/T 628-2009 Grading and assessment of domestic service organizations
DB11/T 393-2006 Grading and Assessment of Travel Services
DB11/T 411.7-2007 Classification and assessment of sports venues Part 7: Taekwondo gymnasiums
DB11/T 1830-2021 Classification and assessment of leisure agricultural parks
DB11/T 1932-2021 Classification of inoculation units Routine inoculation
DB11/T 1277-2015 Functional grade assessment of drainage pipes
DB11/T 393-2012 Classification and assessment of travel agencies
DB11/T 411.12-2008 Ranking standard for gymnasium and stadium - Part12: Judo gymnasium
DB11/T 1587-2018 Classification of lightning risk in public places
DB11/T 1700-2019 Classification and assessment of washing and dyeing enterprises
DB11/T 1757-2020 Classification and assessment of ski resorts
DB11/T 495-2007 Ranking and Assessment of Talent Service Organization
DB11/T 1058-2023 Theme hotel grading and evaluation standards
DB11/T 1294-2015 Classification and assessment of car tourism camps

Sichuan Provincial Standard of the People's Republic of China

DB5107/T 138-2023 Classification and evaluation of social hotels
DB5132/T 74-2022 Classification and assessment of panda-level tour guides
DB5118/T 33-2024 Classification and evaluation of tourist homestays
DB5101/T 25-2018 Classification of commercial office buildings
DB51/T 1238-2011 Regulations on Classification of Laundry and Dyeing Enterprises
DB51/T 1234-2011 Grading and division of ecotourism areas
DB5104/T 12-2018 Classification of high-quality mangoes
DB5133/T 61-2022 Classification and assessment of tourism homestay
DB51/T 2127-2016 Forest fire danger division level
DB5101/T 39-2018 Chengdu Hospital Safety Management Standards and Classification
DB5104/T 16-2018 Classification of high-quality pomegranates
DB51/T 2142-2016 Classification and assessment of self-driving tour camps
DB5104/T 18-2018 Classification of premium grapes
DB51/T 2863-2021 Classification of farmhouse service quality
DB5120/T 1-2020 Classification of Residential Property Services in Ziyang City
DB5104/T 14-2018 Classification of high-quality loquat
DB51/T 1784-2014 Classification and Evaluation of Hotel Management Companies in Sichuan Province

Shaanxi Provincial Standard of the People's Republic of China

DB6101/T 3117-2021 Classification of smart travel agencies
DB6101/T 3116-2021 Classification of smart scenic spots

Liaoning Provincial Standard of the People's Republic of China

DB21/T 2029-2012 Classification and assessment of washing and dyeing industry
DB21/T 2766-2017 Classification and assessment of farmhouse level
DB21/T 2849-2017 Classification and evaluation of tour group quality
DB21/T 2045-2012 Classification of hairdressing industry
DB21/T 2257-2014 Classification of Family Service Organizations
DB21/T 3862-2023 Classification of meteorological tourism resources
DB21/T 2294-2014 Classification and assessment of tourist campsites
DB21/T 2161-2013 Classification of portrait photography industry
DB21/T 2362-2014 Classification of tourist ski resorts
DB21/T 1489-2007 Classification of beauty industry

Professional Standard - Traffic

JT/T 888-2014 Type dividing and class rating for bus transport
JT/T 325-1997 Type dividing and class rating for commercial motor-vehicles of passenger transport
JT/T 325-2018(R1) Type dividing and class rating for commercial motor-vehicles of passenger transport
JT/T 198-2016 Dividing and Rating Requirements for Technical Classification of Road Transport Vehicles
JT/T 325-2013 Type dividing and class rating for commercial motor-vehicles of passenger transport
JT/T 325-2018 Type dividing and class rating for commercial motor-vehicles of passenger transport
JT/T 325-2010 Type dividing and class rating for commercial motor-vehicles of passenger transport
JT/T 325-2004 Type dividing and class rating for commercial motor-vehicles of passenger transport
JT/T 325-2006 Type dividing and class rating for commercial motor-vehicles of passenger transport

Yunnan Provincial Standard of the People's Republic of China

DB53/T 417-2012 Classification and assessment of car tourism camps
DB5309/T 40-2022 Classification of sugarcane frost damage in Lincang City
DB53/T 413-2017 Classification and evaluation of characteristic residential inns
DB5307/T 26-2019 Classification and assessment of tourist racecourses
DB53/T 413-2012 Classification and evaluation of characteristic residential inns
DB53/T 808-2016 Classification and evaluation of logistics parks
DB53/T 414-2017 Classification and evaluation of economical hotels
DB53/T 373-2012 Classification of beauty and hairdressing salons
DB53/T 414-2012 Classification and evaluation of economical hotels
DB53/T 341-2011 Classification and assessment of travel agencies
DB53/T 309-2016 Classification and evaluation of tourist shopping places

Shandong Provincial Standard of the People's Republic of China

DB37/T 2627-2014 Theater Classification and Evaluation
DB37/T 3584-2019 Classification and assessment of care for the elderly
DB3713/T 208-2020 Classification of pre-property management services for ordinary residential buildings
DB3706/T 84-2023 Classification and evaluation of Yongjun stores
DB37/T 2864-2017 Classification and evaluation of homestay service quality
DB37/T 4366-2021 The classification standard of winter wheat seedling condition in Shandong Province
DB37/T 3774-2020 Classification and evaluation of rural happiness homes
DB37/T 1242-2017 Classification and Evaluation of Tourist Shopping Stores
DB37/T 2746-2015 Landscaping nursery stock quality classification

Professional Standard - Business

SB/T 11103-2014 Specification for grading of wood flooring enterprise
SB/T 11072-2013 Grade classification and evaluation of teahouses
SB/T 11087-2014 Specification on classification of shopping centers
SB/T 10950-2012 Specification for grading of wood-based panel distributor
SB/T 10532-2009 Technical requirement of grading of the bath enterprise
SB/T 10844-2012 Specification for grading of wood door enterprise

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 18266.3-2017 Ranking standard for sports facilities--Part 3: Star-rating standard for natarorium
GB/T 34313-2017 Grading and evaluation standard of tour guides

Ningxia Provincial Standard of the People's Republic of China

DB64/T 1949-2023 Wine culture tourism winery classification
DB64/T 837-2013 Classification standards for laundry and dyeing shops

Hubei Provincial Standard of the People's Republic of China

DB42/T 1693-2021 Classification and assessment of badminton courts
DB42/T 1987-2023 Classification of Lightning Prone Areas
DB4201/T 532-2017 Classification and evaluation of cleaning service organizations

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 1666-2010 Classification and assessment of rural tourism areas (spots)
DB32/T 1666-2016 Classification and assessment of rural tourist areas
DB32/T 3781-2020 Remote Sensing Monitoring of Wheat Seedling Situation and Classification
DB3208/T 120-2019 Grading of rice machine-transplanted seedlings
DB32/T 2123-2012 Classification and assessment of social hotels
DB32/T 2122-2012 Classification and assessment of travel agencies
DB32/T 3330-2017 Classification of Strawberry Production Seedlings
DB3205/T 1010-2020 Classification of campus property services
DB32/T 2122-2023 Specification of classification and accreditation for travel agency

保定市市场监督管理局

DB1306/T 204-2022 Standards for Classification and Assessment of Market Supervision and Administration Offices

Hainan Provincial Standard of the People's Republic of China

DB46/T 36-2013 Classification and evaluation of family hotel quality
DB46/T 248-2013 Classification and evaluation of travel agency quality
DB46/T 445-2017 Classification and assessment of conference hotels
DB46/T 36-2019 Classification and evaluation of family hotel quality
DB46/T 446-2017 Classification and evaluation of exhibitions
DB46/T 329-2015 Classification and evaluation of economical hotels
DB4602/T 18-2023 Market Supervision and Administration Standards Assessment and Grading
DB46/T 248-2014 Classification and assessment of travel agencies
DB46/T 332-2015 Classification and assessment of SPA business premises
DB46/T 36-2004 Classification standard for family hotel quality

Chongqing Provincial Standard of the People's Republic of China

DB50/T 1086-2021 Classification and assessment of cleaning and cleaning institutions
DB50/T 1373-2023 Classification and assessment of study tour bases
DB50/T 896-2018 Quality classification of self-driving campsites
DB50/T 1490-2023 Classification and evaluation of childcare institutions
DB50/T 853-2018 Classification and assessment of motor vehicle safety technical inspection institutions classification management level
DB50/T 729-2016 Classification and evaluation of five-a-side football field
DB50/T 1001-2020 Grade classification of maternity, infant and child products retail stores
DB50/T 908-2019 Classification and assessment of pension institutions
DB50/T 272-2022 Classification and assessment of farmhouse
DB50/T 1570-2024 Classification and evaluation of travel agencies
DB50/T 718-2016 Classification of Rural Hotels in Chongqing

Gansu Provincial Standard of the People's Republic of China

DB62/T 2410-2013 Photovoltaic field solar energy classification
DB62/T 2627-2015 Hazard classification of plateau zokor
DB62/T 2626-2015 Hazard classification of plateau pika
DB62/T 1738-2008 Classification of Photography Enterprises in Gansu Province
DB62/T 2219-2012 Classification of wind energy for wind farms in Jiuquan City

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 3069-2022 Classification of ski resorts (alpine)
DB23/T 2491-2019 Classification and assessment of green mines
DB23/T 1633-2015 Quality classification of tussah cocoons for biological control
DB2308/T 176-2023 Jiamusi rice grade classification technical specifications
DB23/T 2690-2020 Classification of Care Levels in Elderly Care Institutions
DB23/T 1644-2015 Classification and assessment of family service agencies
DB2301/T 69-2020 Classification and Assessment of Domestic Service Institutions

Jilin Provincial Standard of the People's Republic of China

DB22/T 3490-2023 Identification and grading of Changbai Mountain forest frogs
DB22/T 2206-2014 Classification and evaluation of tourist drifting places
DB22/T 1055-2011 Classification of sika deer product quality
DB22/T 2974-2019 Lightning Comprehensive Intensity Classification
DB22/T 461-2014 Classification and assessment of tourist ski resorts
DB22/T 1055-2019 Classification of sika deer product quality

Professional Standard - Ferrous Metallurgy

YB/T 4267-2011 Division of production grade for iron ores

国家旅游局

LB/T 037-2014 Rank division for the quality of mountain ski resorts
LB/T 070-2017 Classification of spring quality for hot spring tourism

Henan Provincial Standard of the People's Republic of China

DB41/T 2260-2022 Classification of bridge type crane automation
DB41/T 2396-2023 Classification of regional late frost
DB41/T 2071-2020 Classification of Continuous Rain Warning Signals

文化和旅游部

LB/T 076-2019 Requirement of rating for tourist planning and designing units
LB/T 077-2019 Self-driving travel destination rating
LB/T 082-2021 Quality rating of tourism leisure street blocks
LB/T 083-2021 Classification for ski tourist resort

Professional Standard - Aerospace

QJ 2311-1992 Standard for Technical Rating of Equipment

Guangdong Provincial Standard of the People's Republic of China

DB4401/T 21-2019 Classification and assessment of tourism homestay
DB44/T 1185-2013 Classification and assessment of farmhouse
DB44/T 1228-2013 Classification and assessment of forest park quality
DB44/T 918-2011 Classification and assessment of travel agencies
DB4403/T 237-2022 Classification and evaluation of conference hotels

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 18770-2020 Management quality rating and technology requirement for edible salt wholesale enterprises
GB/T 39069-2020 Grade requirements for office building
GB/T 37276-2018 Classification and accreditation for senior care organization

Professional Standard - Petrochemical Industry

SH 3050-1994 Standard for grade classification of earthquake damage of petrochemical industrial equipments

Tianjin Provincial Standard of the People's Republic of China

DB12/T 610-2015 Classification and assessment of pension institutions
DB12/T 492-2013 Classification and assessment of cleaning service institutions
DB12/T 342-2019 Classification and assessment of travel agencies
DB12/T 370-2008 Classification standard for tuberose bulb quality
DB12/T 342-2012 Classification and assessment of travel agency quality

未注明发布机构

DIN EN 10020 E:1997-08 Definition and classification of grades of steel

Fujian Provincial Standard of the People's Republic of China

DB35/T 1716-2022 Classification and evaluation of smart scenic spots
DB35/T 1715-2017 Classification and assessment of smart hotels
DB35/T 1955-2020 Classification and evaluation of rural happiness homes
DB35/T 1716-2017 Classification and evaluation of smart scenic spots

Professional Standard - Forestry

LY/T 2086-2013 The hierarchy and evaluation of forest home
LY/T 2360-2014 Hazardness classification of terrestrial wildlife-borne infectious diseases

Shanghai Provincial Standard of the People's Republic of China

DB31/T 299-2003 classification on travel services quality of happy farmhouse
DB31/T 1173-2019 Classification and assessment of cafes (pubs)

Professional Standard - Water Conservancy

SL 450-2009 Standard for classification of risk grade of landslide lake

Professional Standard - Military and Civilian Products

WJ/Z 421-2000 Classification of machining work-pieces by grade

Jiangxi Provincial Standard of the People's Republic of China

DB36/T 863-2023 Classification and evaluation of yellow wax stone quality
DB36/T 1174-2019 Geological disaster meteorological risk classification
DB36/T 863-2015 Classification and evaluation of yellow wax stone quality

Professional Standard - Environmental Protection

HJ 626-2011 Standard on classifying the categories of Genetic resources

国家林业和草原局

LY/T 3274-2021 Classification and grade of wood-plastic composites

Professional Standard - Meteorology

QX/T 228-2014 Classification of regional high temperature weather process

Hebei Provincial Standard of the People's Republic of China

DB13/T 2431-2016 Classification and assessment of leisure agricultural parks
DB13/T 1356-2010 Classification and assessment of farmhouse and country hotels
DB13/T 2732-2018 Classification and Evaluation of Tourist Shopping Stores

交通运输部

JT/T 888-2020 Type dividing and class rating of public bus

Xizang Provincial Standard of the People's Republic of China

DB54/T 0094-2015 Quality classification of alfalfa green hay

US-FCR

FCR FED H-08-4 VOL 3 SEC II 610.7-1988 DUCT PRESSURE CLASSES

German Institute for Standardization

DIN 21057-1:2016 Pipe classes for process plants - Part 1: General - General principles for creating pipe classes
DIN EN 10020:2000 Definition and classification of grades of steel; German version EN 10020:2000
DIN 86001:1997 Pipelines on ships - Pressure ratings, tests

TR-TSE

TS 2381-1976 RATING OF SOUND INSULATION FOR DWELUNGS

AT-ON

ONORM EN 10020-1990 Definition and Classification of grades of steel Definition et Classification des nuances d'acier

British Standards Institution (BSI)

BS EN 10020:2000 Definition and classification of grades of steel
BS EN 1912:2024 Structural Timber. Strength classes. Assignment of visual grades and species

Korean Agency for Technology and Standards (KATS)

KS H ISO 11286-2021 Tea－Classification of grades by particle size analysis

SCC

BS EN 1912:1998 Structural timber. Strength classes. Assignment of visual grades and species
10/30229277 DC BS EN 1912. Structural timber. Strength classes. Assignment of visual grades and species
BS 4231:1982 Classification for viscosity grades of industrial liquid lubricants
BS 4231:1967 Classification for viscosity grades of industrial liquid lubricants

VDI - Verein Deutscher Ingenieure

VDI 4003 Blatt 1-1972 Zuverlaessigkeits-Programmklassen

American National Standards Institute （ANSI)

AMCA 1011-03(R2010) Certified Ratings Program - Acoustical Duct Silencers

RU-GOST R

GOST R 50430-1992 Pipeline gate valves-rates of gates sealibility

Others: Guidelines for Classifying Security Vulnerabilities,Classification of fire protection,Classify resources,classification,classification,Classification of fire protection,Classification of tourist restaurant facilities and services,"Code for Classification of Shopping Centers",Classification of sound insulation,Classification and assessment of forest people,"Forest Family Classification and Evaluation",Technology Maturity Classification,Classification of enterprises,Nine levels of technology maturity,Pipe grade number and pipe material grade table,Cultivated land type area and cultivated land fertility grade division in the whole country,Petrochemical Pipeline Grade,Classification of Care Levels in Elderly Care Institutions,pipe grade,Risk classification of barrier lakes