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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
Hexalobular internal driving feature for bolts and screws
Standard published on 29.12.2017
Selected format:Hexagon lobular for fasteners--Type E
Standard published on 17.1.1986
Selected format:Wood ear
Standard published on 4.6.2019
Selected format:Wood based panel machinery—Veneer dryer
Standard published on 15.3.2024
Selected format:Wing nuts--Round wing
Standard published on 10.2.2004
Selected format:Wing nuts--Square wing
Standard published on 10.2.2004
Selected format:Wing nuts--Pressing wing
Standard published on 10.2.2004
Selected format:Wing nuts--Die-casting wing
Standard published on 10.2.2004
Selected format:Chemical reagent - Hydrofluoric acid
Standard published on 12.5.2011
Selected format:Wide belt sanding machine
Standard published on 30.8.2019
Selected format:Latest update: 2026-06-22 (Number of items: 2 284 351)
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