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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
Flux for tin soldering
Standard published on 31.12.2021
Selected format:Plain washers--Product grade C
Standard published on 5.12.2002
Selected format:Cross recessed round head wood screws
Standard published on 2.7.1986
Selected format:Barium flash getters
Standard published on 1.12.2010
Selected format:Cross recessed countersunk head wood screws
Standard published on 2.7.1986
Selected format:Cross recessed raised countersunk head wood screws
Standard published on 2.7.1986
Selected format:Double end studs (clamping type)--Product grade C
Standard published on 6.2.1988
Selected format:Terms for electronic ceramics
Standard published on 28.6.1988
Selected format:General specification for electronic ceramic parts
Standard published on 28.6.1988
Selected format:Specification for ceramic partstype A
Standard published on 28.6.1988
Selected format:Latest update: 2026-04-20 (Number of items: 2 274 419)
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