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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
Technical code for reinforced concrete lift-slab structure
Standard published on 10.7.2018
Selected format:Standard for symbols and code names used in design of engineering structures
Standard published on 13.7.2014
Selected format:Code for construction and acceptance of civil air defence works
Standard published on 18.6.2004
Selected format:Code for design of high-rising structures
Standard published on 24.5.2019
Selected format:Code for design of electroplating wastewater processing
Standard published on 26.7.2011
Selected format:Code for classification of urban land use and planning standards of development land
Standard published on 1.1.2011
Selected format:Standard for stage observation
Standard published on 31.5.2010
Selected format:Navigation standard of inland waterway
Standard published on 15.4.2014
Selected format:Pin coupling elastomer
Standard published on 12.5.2017
Selected format:Code for design of extinguisher distribution in buildings
Standard published on 15.7.2005
Selected format:Latest update: 2026-07-10 (Number of items: 2 286 359)
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