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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
Granular polysilicon produced by fluidized bed method
WITHDRAWN published on 29.12.2017
Selected format:Low alloy steel plates for low temperature pressure vessels
WITHDRAWN published on 5.4.1996
Selected format:Low alloy steel plates for low temperature pressure vessels
WITHDRAWN published on 23.12.2008
Selected format:Steel plates for low temperature pressure vessels
WITHDRAWN published on 24.6.2014
Selected format:Steel plates for low temperature pressure vessels
WITHDRAWN published on 24.6.2014
Selected format:Internet of things—System interface requirements
WITHDRAWN published on 29.12.2017
Selected format:Standard of domestic--Fine porcelain
WITHDRAWN published on 1.1.1983
Selected format:Domestic porcelain
WITHDRAWN published on 2.5.1995
Selected format:Domestic porcelain ware
WITHDRAWN published on 17.2.2009
Selected format:Assessing principles and calculating methods for the economic effect of standardization
WITHDRAWN published on 9.3.1983
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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