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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
Reliability test method for overload relay
WITHDRAWN published on 16.7.2008
Selected format:Test methods for marine no-asbestos fiber reinforced rubber gaskets
WITHDRAWN published on 30.7.2008
Selected format:Marine no-asbestos fiber reinforced rubber gaskets
WITHDRAWN published on 30.7.2008
Selected format:(The parts and units of jigs and fixtures. Fixed handle)
WITHDRAWN published on 1.1.1991
Selected format:Product of geographical indication - Wuliangye liquor
WITHDRAWN published on 31.7.2008
Selected format:Food additive—Calcium chloride
WITHDRAWN published on 25.6.2008
Selected format:Food additive—Sodium hydrosulfite
WITHDRAWN published on 25.6.2008
Selected format:Food additive—Hydrogen peroxide
WITHDRAWN published on 25.6.2008
Selected format:Shipbuilding - Numerical control of machines - ESSI format
WITHDRAWN published on 4.8.2008
Selected format:(The parts and units of jigs and fixtures. Grip)
WITHDRAWN published on 1.1.1991
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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