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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
Kerosene—Determination of smoke point
WITHDRAWN published on 31.3.1983
Selected format:Test method for smoke point of kerosene and aviation turbine fuel
WITHDRAWN published on 31.7.2017
Selected format:Determination of thickness of woven and knitted fabrics
WITHDRAWN published on 1.1.1983
Selected format:Determination of cleanliness for small and medium power internal combustion engines
WITHDRAWN published on 9.8.1983
Selected format:Small and medium power internal combustion engines—Cleanliness measurement
WITHDRAWN published on 11.7.2005
Selected format:Ujimqin sheep
WITHDRAWN published on 9.8.1983
Selected format:Ujumuqin sheep
WITHDRAWN published on 9.4.2008
Selected format:Respiratory protection—Self-contained closed-circuit oxygen breathing apparatus for escape
WITHDRAWN published on 18.10.2019
Selected format:Zhongwei goat
WITHDRAWN published on 10.8.1983
Selected format:Personal fall protection equipment—Descender devices
WITHDRAWN published on 18.10.2019
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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