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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
Plug-in hybrid electric commercial vehicles—Specifications
WITHDRAWN published on 14.10.2017
Selected format:Technical requirements of ammonium molybdate
WITHDRAWN published on 31.12.1982
Selected format:Ammonium molybdate
WITHDRAWN published on 30.4.2007
Selected format:Technical requirements of molybdenum powders
WITHDRAWN published on 31.12.1982
Selected format:Molybdenum powder
WITHDRAWN published on 18.7.2006
Selected format:Bars and plate blanks of molybdnum
WITHDRAWN published on 31.12.1982
Selected format:Bars and plate blanks of molybdenum
WITHDRAWN published on 30.4.2007
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Tantalum wires
WITHDRAWN published on 17.10.1995
Selected format:Machine and hand taps
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2026-03-25 (Number of items: 2 269 413)
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