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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Norm of water intake—Part 62: Cement
Standard published on 12.10.2022
Selected format:Norm of water intake—Part 63: Flat glass
Standard published on 12.10.2022
Selected format:Norm of water intake—Part 64Building and sanitary ceramics
Standard published on 30.12.2022
Selected format:Norm of water intake for industry—Part 65: Beverage
Standard published on 28.11.2024
Selected format:Norm of water intake for industry—Part 66: Stone
Standard published on 29.9.2024
Selected format:Norm of water intake—Part 7Alcohol
Standard published on 23.5.2023
Selected format:Norm of water intake for industry—Part 8: Synthetic ammonia
Standard published on 25.4.2025
Selected format:Norm of water intake—Part 9Monosodium L-glutamate
Standard published on 11.7.2022
Selected format:Discharge standard of pollutants for municipal waste-water treatment plant
Standard published on 24.12.2002
Selected format:The reuse of urban recycling water--Classifiedstandard
Standard published on 20.12.2002
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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