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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
Code for design of foam extinguishing systems
WITHDRAWN published on 18.8.2010
Selected format:Testing methods of concrete structure
WITHDRAWN published on 7.1.1992
Selected format:Unified design standard for reliability of engineering structures
WITHDRAWN published on 17.3.1992
Selected format:Safety code for design of underground and earth cover store of powders and explosives
WITHDRAWN published on 2.4.1992
Selected format:Terminology of heating,ventilation and air conditioning
WITHDRAWN published on 2.4.1992
Selected format:Code for design of small petroleum storage depots and service stations
WITHDRAWN published on 9.6.1992
Selected format:Code for design and construction of automobile gasoline and gas filling station
WITHDRAWN published on 29.5.2002
Selected format:Code for design and construction of filling station
WITHDRAWN published on 28.6.2012
Selected format:Code for the design of metro
WITHDRAWN published on 13.6.1992
Selected format:Code for design of metro
WITHDRAWN published on 30.5.2003
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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