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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
Data processing—Check character systems
WITHDRAWN published on 23.3.1999
Selected format:Duplicator and document copying machines—Symbols
WITHDRAWN published on 23.3.1999
Selected format:Range hood
WITHDRAWN published on 2.4.1999
Selected format:Range hood
WITHDRAWN published on 31.10.2011
Selected format:Keg
WITHDRAWN published on 2.4.1999
Selected format:Calculating method and utilization guides for waste heat resource""s quantity of industrial boiler""s and flame heating furnace""s waste gas
WITHDRAWN published on 8.4.1999
Selected format:Determination of failure rate of electronic elements and components
WITHDRAWN published on 25.9.1979
Selected format:Surface composition analysis method of gold-plated products by EDX
WITHDRAWN published on 11.4.1999
Selected format:Shipbuilding—Shiplines—Numerical representation of elements of the hull geometry
WITHDRAWN published on 15.4.1999
Selected format:Marine flange for non-asbestos gaskets
WITHDRAWN published on 15.4.1999
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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