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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
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WITHDRAWN published on 1.1.1983
Selected format:Hot-rolled cardon and low alloy structural steel strips
WITHDRAWN published on 16.11.1992
Selected format:Hot-rolled carbon and low alloy structural steel strips
WITHDRAWN published on 21.7.2005
Selected format:Cold-rolled spring and tool steel strips
WITHDRAWN published on 1.1.1983
Selected format:Cold-rolled low carbon steel strips
WITHDRAWN published on 1.1.1983
Selected format:Cold-rolled steel strips for razor blade
WITHDRAWN published on 1.1.1989
Selected format:Information security technology—Personal information security specification
WITHDRAWN published on 29.12.2017
Selected format:Information security technology—Security capability requirements for big data services
WITHDRAWN published on 29.12.2017
Selected format:Cold-rolled carbon tool steel strips for wrist watch
WITHDRAWN published on 1.1.1989
Selected format:Information security technology—Security technology specifications of mobile e-government system
WITHDRAWN published on 29.12.2017
Selected format:Latest update: 2026-01-21 (Number of items: 2 257 297)
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