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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
Representation of ordinal dates for information interchange
WITHDRAWN published on 1.1.1981
Selected format:Detection and identification of Centaurea repens L.
WITHDRAWN published on 30.12.2011
Selected format:Safety helmet
WITHDRAWN published on 1.12.1989
Selected format:Safety helmet
WITHDRAWN published on 19.1.2007
Selected format:Test method for safety helmet
WITHDRAWN published on 1.12.1989
Selected format:Test method for safety helmet
WITHDRAWN published on 7.12.2006
Selected format:Tea bag paper of non heat seal type
WITHDRAWN published on 30.12.2011
Selected format:Industrial helium
WITHDRAWN published on 30.12.2011
Selected format:Determination of trace hydrogen,oxygen,methane and carbon monoxide in the inert gases - Gas chromatographic method
WITHDRAWN published on 30.12.2011
Selected format:Determination of hazardous materials in air separation process - Part 1: Determination of hydrocarbons
WITHDRAWN published on 30.12.2011
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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