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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
Information security technology—Implementation guide for classified protection of information system
WITHDRAWN published on 2.9.2010
Selected format:Information security technology—Public Key Infrastructure—Simple Online Certificate Status Protocol
WITHDRAWN published on 2.9.2010
Selected format:Marine steel pipe flanges, fillet weld-on
WITHDRAWN published on 19.2.1981
Selected format:Marine steel pipe flanges of fillet weld-on
WITHDRAWN published on 10.6.2005
Selected format:Information security techniques—Public Key Infrastructure—Interface specification of X.509 digital certificates application
WITHDRAWN published on 2.9.2010
Selected format:Information security technology—Public Key Infrastructure—XML digital signature syntax and processing specification
WITHDRAWN published on 2.9.2010
Selected format:Information security technology—Testing and evaluation requirement for server security
WITHDRAWN published on 2.9.2010
Selected format:Information security technology—Type and code of information security product
WITHDRAWN published on 2.9.2010
Selected format:Information technology—Security techniques—Requirements for bodies providing audit and certification of information security management systems
WITHDRAWN published on 2.9.2010
Selected format:Information technology—Security techniques—Requirements for bodies providing audit and certification of information security management systems
WITHDRAWN published on 13.10.2016
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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