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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 technology—Security techniques—Non-repudiation—Part 1:General
WITHDRAWN published on 11.11.1999
Selected format:Information technology—Security techniques—Non-repudiation—Part 1:General
WITHDRAWN published on 26.6.2008
Selected format:Information technology—Security techniques—Non-repudiation—Part 2:Mechanisms using symmetric techniques
WITHDRAWN published on 11.11.1999
Selected format:Information technology—Security techniques—Non-repudiation—Part 2:Mechanisms using symmetric techniques
WITHDRAWN published on 26.6.2008
Selected format:Information technology—Security techniques—Non-repudiation—Part 3:Mechanisms using asymmetric techniques
WITHDRAWN published on 11.11.1999
Selected format:Information technology—Security techniques—Non-repudiation—Part 3:Mechanisms using asymmetric techniques
WITHDRAWN published on 2.7.2008
Selected format:Safety management rules of gas-burning appliances for domestic use
WITHDRAWN published on 23.11.1999
Selected format:Safety management regulation of gas-burning appliances for domestic use
WITHDRAWN published on 5.8.2004
Selected format:General specification for hydraulically operated rescue tools
WITHDRAWN published on 23.11.1999
Selected format:Mechanical parking systems—General safety requirement
WITHDRAWN published on 23.11.1999
Selected format:Latest update: 2025-09-10 (Number of items: 2 232 034)
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