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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
Respiratory protective equipment—Non-powered air-purifying particle respirator
WITHDRAWN published on 27.3.2006
Selected format:Large enamel basins
WITHDRAWN published on 1.1.1981
Selected format:Test method for measuring electrical resistance of tyres
WITHDRAWN published on 14.1.2011
Selected format:Tyre size substitution guide
WITHDRAWN published on 14.1.2011
Selected format:Large enamel basins
WITHDRAWN published on 1.1.1981
Selected format:Calculating methods for heat balance,heat efficiency and comprehensive energy consumption of cement rotary kiln
WITHDRAWN published on 14.1.2011
Selected format:Measuring methods of heat balance of cement rotary kiln
WITHDRAWN published on 14.1.2011
Selected format:Aluminium alloys sacrificial anode for electrical water heater
WITHDRAWN published on 14.1.2011
Selected format:Dichlorodiammine palladium ()
WITHDRAWN published on 14.1.2011
Selected format:Enamel dough basins
WITHDRAWN published on 1.1.1981
Selected format:Latest update: 2026-04-17 (Number of items: 2 274 270)
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