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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
Surface composition analysis method of gold-plated products by EDX
WITHDRAWN published on 11.4.1999
Selected format:Shipbuilding--Pipework--Information transfer
WITHDRAWN published on 15.4.1999
Selected format:Shipbuilding—Shiplines—Numerical representation of elements of the hull geometry
WITHDRAWN published on 15.4.1999
Selected format:Marine flange for non-asbestos gaskets
WITHDRAWN published on 15.4.1999
Selected format:Nonmetal material gaskets for marine flange
WITHDRAWN published on 14.2.2008
Selected format:Nonmetal material gaskets for marine flange
WITHDRAWN published on 31.7.2017
Selected format:Oil spill skimmer
WITHDRAWN published on 15.4.1999
Selected format:Hygienic standard for the air quality inside long distance coach
WITHDRAWN published on 15.4.1999
Selected format:Hygienic standard for the air quality inside long distance coach
WITHDRAWN published on 4.6.2009
Selected format:Bright silver flake
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2026-08-13 (Number of items: 2 293 179)
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