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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
Meat and meat products - Determination of hydroxyproline content
Standard published on 28.8.2008
Selected format:Meat products - Determination of total sugars content
Standard published on 28.8.2008
Selected format:royal jelly
Standard published on 27.6.2008
Selected format:Information processing--General specification for continuous form papers used for impact printers
Standard published on 30.8.1995
Selected format:Specifications for constructions and acceptance of road concrete pavement
Standard published on 9.2.1987
Selected format:Plain washers--Product grade A
Standard published on 5.12.2002
Selected format:Plain washerschamfered--Product grade A
Standard published on 5.12.2002
Selected format:Plain washers for clevis pins
Standard published on 26.9.2000
Selected format:Plain washers for screw and washer assemblies
Standard published on 5.12.2002
Selected format:Plain washers for tapping sew and washer assemblies
Standard published on 5.12.2002
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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