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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 seismic design of urban rail transit structures
Standard published on 31.3.2014
Selected format:Specification of safeguard for presses
Standard published on 14.9.2011
Selected format:Code for design of energy conservation of mechanical industrial engineering
Standard published on 8.8.2013
Selected format:Code for monitoring measurement of urban rail transit engineering
Standard published on 6.9.2013
Selected format:Technical code for application of ground iron and steel slag concrete
Standard published on 6.9.2013
Selected format:Code for design of pharmaceutical process water system
Standard published on 6.9.2013
Selected format:Standard for classification of seismic protection of buildings and structures in chemical industry
Standard published on 6.9.2013
Selected format:Code for design of underground opening of non-ferrous metals mine
Standard published on 6.9.2013
Selected format:Code for design of steel and concrete composite bridges
Standard published on 6.9.2013
Selected format:Technical code for smart card system in urban construction
Standard published on 1.11.2013
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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