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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
Hygienic standard for copper in soil
WITHDRAWN published on 10.2.1989
Selected format:Hygienic standard for chlorothalonile in drinking water sources
WITHDRAWN published on 10.2.1989
Selected format:Casting aluminium alloys--Technical specifications
WITHDRAWN published on 1.1.1986
Selected format:Casting aluminium alloys
WITHDRAWN published on 14.12.1995
Selected format:Cast bearing metals
WITHDRAWN published on 5.11.1992
Selected format:Gamma spectrometry method of analysing radionuclides in soil
WITHDRAWN published on 6.10.1989
Selected format:Determination of radionuclides in soil by gamma spectrometry
WITHDRAWN published on 31.12.2013
Selected format:De-airing pug mills
WITHDRAWN published on 1.1.1989
Selected format:Splitting machine
WITHDRAWN published on 1.1.1989
Selected format:Tufting carpet
WITHDRAWN published on 20.10.1989
Selected format:Latest update: 2025-11-13 (Number of items: 2 243 644)
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