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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
Slotted pan head screws
Standard published on 24.2.2016
Selected format:Chemical reagent - Silver nitrate
Standard published on 25.10.2007
Selected format:Method for the determination of The non-volatile of naphthalene
Standard published on 13.5.2005
Selected format:Naphthalene sulphuric acid test
Standard published on 11.7.2022
Selected format:Coking phenol
Standard published on 13.5.2008
Selected format:Determination of water Content of coking Phenol by cryoscopic method
Standard published on 13.5.2005
Selected format:Chemical reagent--Magnesium sulfate heptahydrate
Standard published on 20.10.1998
Selected format:Specifications for bag house
Standard published on 13.4.2009
Selected format:Chemical reagent - Magnesium chloride hexahydrate
Standard published on 3.11.2006
Selected format:Statistical requirements for direct economic losses caused by work safety accidents
Standard published on 31.12.2025
Selected format:Latest update: 2026-08-07 (Number of items: 2 291 576)
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