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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 construction and quality acceptance of automation instrumentation engineering
Standard published on 28.1.2013
Selected format:Code for construction of spherical tanks
Standard published on 18.8.2010
Selected format:Standard for essential technical terms and symbols in hydrology
Standard published on 1.1.2014
Selected format:Design code for residential buildings
Standard published on 26.7.2011
Selected format:Code for fire protection design of civil air defence works
Standard published on 13.5.2009
Selected format:Code for design of school
Standard published on 1.1.2011
Selected format:Code for design of cooling for industrial recirculating water [Note: Chapter Addition: Explanation of provisions is not translated]
Standard published on 1.1.2014
Selected format:Standard for general layout drawings
Standard published on 18.8.2010
Selected format:Standard for architectural drawings
Standard published on 18.8.2010
Selected format:Standard for structural drawings
Standard published on 18.8.2010
Selected format:Latest update: 2026-07-10 (Number of items: 2 286 359)
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