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Database: 365,228(8 Aug 2026)

Trial Standard

Trial Standard, Total:410 items.

The international standard classification for "Trial Standard" includes: Water quality , Ambient atmospheres , Environmental protection , Public buildings , Wastes in general , Hydraulic energy engineering , Construction of waterways and ports , Radio receivers , General standards related to shipbuilding and marine structures , Construction of railways .

The Chinese standard classification for "Trial Standard" includes: General grippers , Fuel system and its accessories , Electronic components , General technical requirements , Engine , Mechanics Measurement , Electromagnetic Measurement , Length Measurement , Chemical Measurement , Radio Measurement , Optical Measurement , Ionizating Radiation Measurement , Basic standards and general methods , Environmental Quality Standard for atmosphere, water and soil , Environmental monitoring instrument and its complete equipment , Specifications for pollution control , Residential and public building engineering , Urban domestic pollution source control standards , Toxic and harmful solid waste control standards , Special instruments for teaching , Other teaching aids , Water conservancy and water power engineering in general , Communication engineering , Watershed planning and river regulating engineering , Port and waterway engineering , Broadcasting and television equipment in general , Discharge standard for mobile pollution sources , Pollutants discharge in general , Basic standards and general methods , Gas supply engineering , Outdoor water supply and draining engineering , Pig iron , Heavy metals and their alloys analysis method , Animal husbandry in general , Marine internal-combustion engine , Railway engineering .


Professional Standard - Aviation

  • HB 6-89-1979 Clamp connection between generator and engine (trial)
  • HB/Z 5141-1980 3Cr3Mo3VNb Hot Work Die Steel Billet Acoustic Flaw Detection (Trial)
  • HB 5645-1981 Series and Type Spectrum of Oil Pump for Aircraft Fuel System
  • HB/Z 5140-1980 3Cr3Mo3VNb hot work die steel heat treatment (trial)
  • HB 3364-1981 Flat spacer (Trial Implementation)
  • HB 3365-1981 Spacer (Trial Implementation)
  • HB/Z 5003-1974 Instructions for Magnetic Particle Quality Inspection for Magnetic Particle Inspection (Trial)
  • HB 5520-1980 Basic Technique Requirements for Red Light Illumination in Aircraft Cabin (on trail)
  • HB 3359-1981 Back plate (Trial Implementation)
  • HB 3274-1979 Screwdriver type preset torque wrench (Trial Implementation)
  • HB 3340-1981 4-1/2" spiral bevel gear single blade disc milling cutter (Trial Implementation)
  • HB 3273-1979 Torque-indicating wrench (Trial Implementation)
  • HB 3337-1981 3-1/2" spiral bevel gear alternate blade disc milling cutter (Trial Implementation)
  • HB 5521-1980 Test method for Inspection of Red Light Illumination in Aircraft Cabin (on trail)
  • HB 3360-1981 Removed plate (Trial Implementation)
  • HB 3361-1981 Marker pin (Trial)
  • HB/Z 4-120-1979 Aircraft Valve Core Technical Conditions (Trial)
  • HB 6-81-1978 Professional Technical Conditions for Aircraft Fuses (Trial)
  • HB 5523-1980 Technical Specification for Electromagnetic Relay and Contactor of Aircrafts (on Trail)
  • HB 6-82-1978 Aircraft Signal Light Box Technical Conditions (Trial)
  • HB 6-90-1979 Aviation instrument case self-locking nut (trial)
  • HB 3362-1981 Inclined gasket (trial)
  • HB 6-73-1976 Basic Technical Requirements for Aircraft Motors (Trial)
  • HB 6-78-1977 Technical specification for DC driven motor of aircraft
  • HB 3342-1981 6"spiral bevel gear single blade disc milling cutter (Trial Implementation)
  • HB 6-72-1976 Basic Technical Requirements for Aircraft Electrical Appliances (Trial Implementation)
  • HB 5135-1979 Quality Inspection of Structural Steel and Stainless Steel Welded Joints (Trial)
  • HB 3271-1979 Single arm adjustable preset torque wrench (Trial Implementation)
  • HB/Z 25-1980 Self sealing riveting for integral tank (on trail)

National Metrological Verification Regulations of the People's Republic of China

Professional Standard - Environmental Protection

  • HJ/T 276-2006 Technical specifications for steam-based centralized treatment engineering in medical waste (on trial)
  • HJ 1146-2020 Techuical specification for supervision of ecological conservation redline - Supervision platform construction (on trial)
  • HJ/T 275-2006 Standard for venous industry based eco-industrial parks (on trial)
  • HJ 1144-2020 Technical specification for supervision of ecological conservation redline —Ledger database construction (on trial)
  • HJ 1140-2020 Technical specification for supervision of ecological conservation redline —Baseline investigation (on trial)
  • HJ 1141-2020 Technical specification for supervision of ecological conservation redline—Ecological condition monitoring (on trial)
  • HJ/T 130-2003 Technical guideline for plan environmental impact assessment (on trial)
  • HJ/T 343-2007 Water quality-Determination of chloride-mercury nitrate titration
  • HJ 1142-2020 Technical specification for supervision of ecological conservation redline- Ecological function evaluation (on trial
  • HJ/T 347-2007 Water quality-Determination of fecal coliform-manifold zymotechnics and filter membrane
  • HJ/T 353-2007 Technical guidelines of wastewater on-line monitoring equipments and installation(on trial)
  • HJ/T 273-2006 Standard for sector-specific eco-industrial parks (on trial)
  • HJ/T 228-2006 Technical specification for chemical disinfection centralized treatment engineering on medical waste (on trial)
  • HJ 628-2011 Regulation for the collection of genetic resources
  • HJ/T 345-2007 Water quality-Determination of iron-phenanthroline spectrophotometry
  • HJ/T 192-2006 Technical criterion for eco-environmental status evaluation
  • HJ/T 355-2007 Technical specifications for the operation and assessment of Wastewater on-line monitoring system(on trial)
  • HJ 522-2009 Codes for Water Environmental Function Zone Categories
  • HJ 1185-2021 Technical guidelines on the statistics of regional environmental background concentration of soil
  • HJ 944-2018 Environmental management records and compliance reports of pollutant emission permit technical specification for pollution sources - General rule (on trial)
  • HJ 1151-2020 Monitoring method for electromagnetic radiation environment of 5G mobile communication base station (on trial)
  • HJ 521-2009 Codes for Wastewater Discharging
  • HJ 633-2012 Technical Regulation on Ambient Air Quality Index (on trial)
  • HJ 25.5-2018 nical Guideline for Verification of Risk Control and Soil Remediation of Contaminated Site
  • HJ 1209-2021 Technical guidelines of soil and groundwater self-monitoring for industrial enterprises
  • HJ 915-2017 Technical specifications for automatic monitoring of surface water
  • HJ/T 342-2007 Water quality-Determination of sulfate-barium chromate spectrophotometry
  • HJ/T 352-2007 Technical Specifications for Data Exchange of Environmental Pollution Emission Auto Monitoring Information (on trial)
  • HJ 1143-2020 Technical specification for supervision of ecological conservation redline—Protection effectiveness evaluation (on trial)
  • HJ 608-2011 Coding for the Environmental Pollution Source
  • HJ 520-2009 Codes for wastewater categories
  • HJ 964-2018 Technical guidelines for environmental impact assessment - soil environment
  • HJ/T 344-2007 Water quality-Determination of manganese-formaldehyde oxime spectrophotometry
  • HJ 1145-2020 Technical specification for supervision of ecological conservation redline—Data quality control (on trial)
  • HJ/T 354-2007 Technical specifications for check and acceptance of wastewater on-line monitoring system(on trial)
  • HJ 1134-2020 Technical specification for pollution control of fly-ash from municipal solid waste incineration
  • HJ 970-2018 Water quality - Determination of petroleum - Ultraviolet spectrophotometric method
  • HJ 1213-2021 Technical specification to thermal discharge monitoring for coastal nuclear power plants based on satellite remote sensing(on trial)
  • HJ 651-2013 Technical Specifications of Eco-environmental Protection and Reclamation for Mining
  • HJ/T 364-2007 Technical Specifications for Pollution Control during Collection and Recycle of Waste Plastics
  • HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
  • HJ/T 274-2006 Standard for sector-integrate eco-industrial parks (on trial)
  • HJ 663-2013 Technical regulation for ambient air quality assessment(on trial)
  • HJ/T 341-2007 Water quality-Determination of mercury-cold atomic fluorescent spectrophotometry
  • HJ 664-2013 Technical regulation for ion of ambient air quality monitoring stations(on trial)

Professional Standard - Education

  • JY 172-1984 Leverage (trial)
  • JY 67-1982 General Technical Conditions for Biological Glass Plate Specimens (Trial)
  • JY 148-1982 General Technical Specifications for Frog Development Sequence Specimen
  • JY 95-1982 Human blood smear technical conditions (trial)?
  • JY 178-1984 Ballistic pendulum (trial)
  • JY 156-1982 Technical Specification for Fossil Specimen
  • JY 108-1982 Magdeburg Hemisphere (Trial)
  • JY 145-1982 General Technical Specifications for Frog Anatomy Humid Preparation
  • JY 65-1981 Technical specifications for DNA structure model (trial)
  • JY 105-1982 Tick code (Trial)
  • JY 92-1982 Technical conditions of skin of human sec (trial)
  • JY 104-1982 Students are born with weights (Trial)
  • JY 78-1982 Three type smear bacteria technical conditions (trial)?
  • JY 85-1982 Technical conditions of frog cleavage slice (trial)?
  • JY 151-1982 Technical Specification for Bee Life Record Specimen
  • JY 66-1981 Technical specifications for secondary protein structure model (trial)
  • JY 58-1980 Technical specifications for globe (trial)
  • JY 149-1982 General Technical Specifications for Insect Specimen
  • JY 116-1982 Small lamp holder (trial)
  • JY 152-1982 Technical Specification for Leaf Insect Mimesis Specimen

Professional Standard - Water Conservancy

  • SL/Z 331-2005 Specification for the feasibility study on the information system of water resources
  • SL/Z 332-2005 Specification for the preliminary design on the information system of water resources
  • SLJ 705-1981 Trial Standards for Compilation and Quota of Water Conservancy Project Management Units
  • SL/Z 318-2005 Technique guideline for water conservancy combined with schistosomiasis prevention
  • SL/Z 549-2012 Technical guides for audit of water use (for trial implementation)
  • SL 176-1996 Water Conservancy and Hydropower Project Construction Quality Assessment Regulations (Trial Implementation)
  • SL/Z 503-2010 Requirements of water organization management system
  • SL/Z 322-2005 Guidelines for assessment of water - dram and utilization in construction projects
  • SL 239-1999 Assessment and acceptance specification for construction quality of levee project

Professional Standard - Electricity

  • DL/T 510-1993 Name codes for state electric power networks (Trial Implementation)

Professional Standard - Hydroelectric Power

  • SDJ 302-1988 Code for environmental impact evaluation of water resources and hydropower projects (Trial Implementation)
  • SDJ 21-1978 Code for Design of Concrete Gravity Dam (Trial)
  • SDJ 214-1983 Code for hydrology calculation of water resources and hydroelectric engineering (Trial Implementation)
  • SDJ 21-1987 Code for design of concrete gravity dams (Trial Implementation
  • SD 120-1984 Technical specifications for construction of rubble-masonry dams (Trial Implementation)

Professional Standard - Post and Telecommunication

  • TZ 001-1993 Subscriber telegraph and low-speed data communication network technical system (trial implementation)
  • TZ 008-8702 Telephone Internet Open Data Service Technical System (Trial)
  • GF 002-9002.4-1991 Appendix to general technical regulations of Ministry of Posts and Telecommunications on telephone switching equipment (Trial Implementation)
  • TZ 003-8501 Technical System of Public Telegraph Network (Trial Implementation)
  • TZ 009-1992 Technical System of Radio Paging Network (Trial Implementation)
  • TZ 006-1992 Mobile phone network technical system (trial implementation)

Professional Standard - Traffic

  • JTJ 027-1996 Design Specifications of Highway Cable Stayed Bridge (On Trial)
  • JTJ 304-2003 Design Specification for Liquefied Natural Gas Port and Jetty (Tentaive)
  • JTJ 005-1996 Specifications for Environment Impact Assessment of Highway (On Trial)

Professional Standard - Chemical Industry

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

  • GB 18483-2001 Emission standard of cooking fume
  • GBJ 44-1982 Appraisal criteria for antiseismic outdoor gas thermal engineering facilities (Trial)
  • GBJ 43-1982 Appraisal criteria for antiseismic outdoor water supply and drainage tacilities
  • GWPB 5-2000 Emission Standards for Oil Fume in Catering Industry (Trial Implementation)
  • GB 19218-2003 Technical standard for medical waste incinerator
  • GBJ 47-1983 Acoustics-sound-abserbin coefficient measurement by method of reverbration room (Trial)
  • GB/T 1584-1979 Standard for insertion test signal of domestic TV
  • GB 19217-2003 Technical standard for medical waste transport vehicle

Group Standards of the People's Republic of China

  • T/CAGHP 072-2020 Technical specification for construction of karst subsidence prevention and control engineering (trial implementation)
  • T/CAGHP 012-2018 Code for Design of Goaf Collapse Prevention and Control Engineering (Trial Implementation)
  • T/SHJX 025-2021 Technical Standard of Electronic Guidance Rubber-Tyred System (Tria)
  • T/CIATA 0035-2021 Anti-corrosion steel pipe coated plastic for industrial water supply and drainage (For trial implementation)
  • T/CIATA 0033-2020 Technical specification for corrosion resistance of polyurea pipe composite coating (For trial implementation)
  • T/HTDFTZH 001-2022 Trial Measures for the Certification and Management of Carbon Managers in Hainan Province
  • T/CIATA 0034-2020 Compressing molding steel fluoroplastic lined valve corrosion resistance technical specification (For trial implementation)
  • T/CIATA 0038-2022 Plastics: Determination of water content for polyethylene Calcium hydroxide method (For trial implementation)
  • T/CAGHP 064-2019 Regulations for Release of Geological Hazard Monitoring and Early Warning Information (Trial)
  • T/HRBWP 06-2022 Guidelines for Undertaking and Inspection of Residential Properties (Trial)
  • T/CAGHP 078-2020 Specifications for Monitoring Goaf Subsidence Geological Hazards (Trial)
  • T/CIATA 0036-2021 Coiled cable embedding fiber reinforced polyethylene pipe (For trial implementation)
  • T/DAHEB 004-2018 Measures for the promotion and management of Hebei province's recess milk program (trial implementation)
  • T/DALN DALN001-2018 Quality assessment standard for whole plant corn silage in Liaoning Province (Trial)
  • T/CAGHP 061-2019 Construction Technical Specifications for Debris Flow Prevention and Control Engineering (Trial Implementation)
  • T/HW 00023-2021 Operational Standards for Disposal and Collection of Domestic Garbage During Major Epidemics (Trial Implementation)
  • T/ZJWL 001-2022 Freight (steel) loading specifications for road transport vehicles in Zhejiang Province (Trial)
  • T/CAGHP 060-2019 Code for Design of Rock Barrier Engineering in Geological Disasters (Trial Implementation)
  • T/CAGHP 073-2020 Code for Design of Anchorage Engineering for Geological Hazard Control (Trial Implementation)
  • T/HW 00022-2021 Emergency Operation Standards for Domestic Waste Incineration Plants During Major Epidemics (Trial Implementation)
  • T/CCGA 50007-2020 Technical safety regulation for inhaling oxygen systems in home care facilities
  • T/HRBWP 02-2022 Harbin City Property Service Performance Evaluation Specifications (Trial)
  • T/CAGHP 076-2020 Specifications for engineering exploration of karst collapse prevention and control (trial implementation)
  • T/CAGHP 075-2020 Specifications for Monitoring Karst Ground Subsidence (Trial)
  • T/CCGA 90001-2020 Fire hazards of oxygen and oxygen-enriched atmospheres
  • T/CAGHP 074-2020 Geological Hazard Exploration Budget Standard (Trial)
  • T/HRBWP 03-2022 Harbin City Property Project Undertaking Inspection and Evaluation Standards (Trial)
  • T/JYBZ 020-2022 Equipping specifications of first aid facilities in campus(on trail)
  • T/CAGHP 062-2019 Construction Technical Regulations for Geological Disaster Barrier Wall Engineering (Trial)
  • T/DALN 008-2019 Liaoning Province dairy farm manure water treatment liquid farmland resource utilization specification (Trial)
  • T/DALN 006-2019 Liaoning Province Dairy Farm Cow Manure Water Treatment Liquid Processing Technical Operation Regulations (Trial)
  • T/CAGHP 065.1-2019 Specifications for the preparation of estimates (estimates) for geological disaster prevention and control engineering (trial implementation)
  • T/HBNX 001-2020 Measures for the Promotion and Management of the "Student Drinking Milk Program" in Hubei Province (Trial)
  • T/HRBWP 01-2022 Harbin City Property Service Fee Evaluation Standards (Trial)
  • T/CARM 001-2022 Basic specification for rehabilitation medical services in senior care organization
  • T/HAEPCI 43-2022 Technology specifications to environmental risk controlling of pollution source for metal mining/smelting site
  • T/HRBWP 04-2022 Guidelines for Performance Evaluation of Residential Property Services (for Trial Implementation)
  • T/CAGHP 063-2019 Requirements for the preparation of emergency plans for sudden geological disaster sites (trial implementation)
  • T/CAGHP 011-2018 Exploration Specifications for Collapse Prevention Engineering (Trial Implementation)
  • T/HW 00020-2020 Guidelines for Emergency Work of the Environmental Sanitation Industry During Major Infectious Disease Epidemics (Trial Implementation)
  • T/SDMAS 0001-2018 Guidelines for Constructing Green Mine in Shandong
  • T/HNRFA 001-2022 Hainan Province Recreational Fishery Industry Self-Regulatory Behavior Code and Guidelines (Trial)
  • T/CAGHP 016-2018 Provisions on Physical Interface of Geological Hazard Monitoring Instruments (Trial)
  • T/CAGHP 015-2018 Budget Standards for Geological Hazard Control Engineering Supervision (Trial Implementation)
  • T/YAIMH 001-2022 Regulations for the management of high-alert drugs in Internet hospitals
  • T/CARM 001-2021 Standards for the Construction of Rehabilitation Departments of Traditional Chinese Medicine Hospitals (Trial Implementation)
  • T/CAGHP 077-2020 Code for Design of Karst Collapse Prevention Engineering (Trial)
  • T/HRBWP 05-2022 Guidelines for Price Evaluation of Residential Property Services (Trial)

Professional Standard - Pharmaceutical Packaging

National Metrological Technical Specifications of the People's Republic of China

  • JJF 1042-1993 Technical Specification of MAP for DC EMFS
  • JJF 1043-1993 Technical Specification of MAP for Veckers Hardness
  • JJF 1040-1993 Techincal Specification MAP for Radion Attenuation
  • JJF 1032-1992 Terms and Their Definitions for Optical Radiation Measurement
  • JJF 1222-2009 Rules of Metrology Testing for Package of Moon Cake
  • JJF 1012-1987 General Terms for Humidity Measurement
  • JJF 1009-1987 Terminology and Definitions for Measurement of Capacity and Density
  • JJF 1022-1991 Technical Norm of Designation for Metrological Standard

Hubei Provincial Standard of the People's Republic of China

  • DB4212/T 26-2020 Guidelines for the Prevention and Control of the Novel Coronavirus Pneumonia Epidemic for Migrant Workers (Trial)
  • DB4212/T 27-2020 Guidelines for Prevention and Control of Novel Coronavirus Pneumonia Outbreak for Travelers (Trial)
  • DB4212/T 13-2020 New Coronary Pneumonia Epidemic Prevention and Control Technical Guidelines for Farmer's Markets (Trial)
  • DB4212/T 39-2020 Special Equipment Safety Supervision Work Goal Assessment Specification (Trial)
  • DB4212/T 14-2020 New Coronary Pneumonia Epidemic Prevention and Control Technical Guidelines for Industrial Enterprises (Trial)
  • DB4212/T 24-2020 Guidelines for Prevention and Control of Novel Coronavirus Pneumonia Epidemic for Families (Trial)
  • DB4212/T 11-2020 New Coronary Pneumonia Epidemic Prevention and Control Technical Guidelines for Public Toilets (Trial)
  • DB4212/T 12-2020 New Coronary Pneumonia Epidemic Prevention and Control Technical Guidelines for Public Places (Trial)
  • DB4212/T 46-2021 Service Guide for Application of Registration Certificate for Special Equipment (Trial)
  • DB4212/T 47-2021 Guidelines for Handling Complaints Related to Special Equipment (Trial)
  • DB4212/T 38-2020 Special Equipment Safety Supervision Education and Training Specifications (Trial)
  • DB4212/T 19-2020 Regulations on the Management of Health Codes for Infectious Disease Prevention and Control Personnel (Trial)
  • DB4212/T 17-2020 Technical Guidelines for the Prevention and Control of New Coronary Pneumonia Epidemic Prevention and Control Personnel (Trial)
  • DB4212/T 48-2021 Special Equipment Inspection Service Specifications (Trial)
  • DB4212/T 40-2020 Specifications for Setting up Special Equipment Safety Supervision Accounts (Trial)
  • DB4212/T 15-2020 New Coronary Pneumonia Epidemic Prevention and Control Technical Guidelines Community (Trial)
  • DB4212/T 10-2020 Technical Guidelines for the Prevention and Control of the New Coronary Pneumonia Epidemic for Catering Service Units (Trial)
  • DB4212/T 41-2020 Special Equipment Management File Inspection Specifications (Trial)
  • DB4212/T 42-2020 Specifications for On-site Safety Supervision and Inspection of Special Equipment (Trial Implementation)
  • DB4212/T 23-2020 Guidance meeting for the prevention and control of novel coronavirus pneumonia (Trial)
  • DB4212/T 44-2021 Service Guide for Special Equipment Commencement Notification (Trial)
  • DB4208/T 64-2018 "Community (Village) Social Governance Points Operation Guide (Trial)"
  • DB4212/T 37-2020 Specifications for the establishment and responsibilities of special equipment safety supervision agencies (trial implementation)
  • DB4201/T 689-2023 Technical Guidelines for Sludge Disposal in Medical Institutions (Trial)
  • DB4212/T 43-2021 Specifications for Reporting Safety Accidents of Special Equipment (Trial Implementation)
  • DB4212/T 16-2020 New Coronary Pneumonia Epidemic Prevention and Control Technical Guidelines for Elderly Care Institutions (Trial)

Professional Standard - Commodity Inspection

  • SN 0573-1996 Rules for the inspection of animal bone waste to be used as raw material for import
  • SN 0571.1-1996 Rules for the inspection of nonferrous metal scraps for import. Copper scraps
  • SN 0581-1996 Rules for the inspection of iron and steel scraps for import
  • SN 0571.2-1996 Rules for the inspection of nonferrous metal scraps for import. Except for copper scraps
  • SN 0572-1996 Rules for the inspection of waste wood and waste wooden products to be used as raw material for import
  • SN 0575-1996 Rules for the inspection of waste textiles as raw material for import

Professional Standard - Technical Standards for Wind Farm Engineering

  • FD 006-2008 Preparation rules of offshore windpower projects pre-feasibility study report
  • FD 005-2008 Preparation rules of offshore windpower projects planning report

Shandong Provincial Standard of the People's Republic of China

  • DB3713/T 219-2021 Standardized Construction Specifications of Market Supervision and Administration Institute (Trial Implementation)
  • DB37/T 3655-2019 Technical Guidelines for Monitoring and Early Warning System of Atmospheric Environmental Risks in Chemical Industry Parks (Trial)
  • DB3713/T 156-2020 Specifications for Internet Transaction Supervision Infrastructure Construction (Trial)
  • DB3713/T 234-2021 Standards for the Construction and Management of Grassroots United Front Work (Trial Implementation)

Jiangxi Provincial Standard of the People's Republic of China

  • DB36/ 1282-2020 Soil Pollution Risk Control Standards for Construction Land (Trial Implementation)
  • DB36/T 1447-2021 Technical Guidelines for Operation and Maintenance of Rural Domestic Sewage Treatment Facilities (Trial)
  • DB36/T 1446-2021 Technical Guidelines for Rural Domestic Sewage Treatment (Trial)

Professional Standard-Ships

  • CB 973-1981 Quality Requirement for Magnetic Particle Inspection of Diesel Engine Parts (trial implementation)

Jilin Provincial Standard of the People's Republic of China

Professional Standard - Railway

  • TB 10081-2002 Code for design of railway transportation management information system

Heilongjiang Provincial Standard of the People's Republic of China

  • DB23/T 3314-2022 Heilongjiang Province Soil Pollution Prevention and Control Risk Screening Guidance Value (Trial)

Professional Standard - Construction Industry

  • BJG 19-1965 Specification for mixing and application of concrete with tenuous sand

National Health Commission of the People's Republic of China