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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 energy conservation of non-ferrous metals smelter
Standard published on 6.9.2013
Selected format:Specification of induction protective devices for presses
Standard published on 31.12.2008
Selected format:Code for design of culm-producing bamboo plantation engineering
Standard published on 6.9.2013
Selected format:Code for design of fast-growing and high-yielding timber plantation engineering
Standard published on 6.9.2013
Selected format:Code for technical antenna engineering
Standard published on 6.9.2013
Selected format:Technical code for concrete-filled steel tube arch bridges
Standard published on 1.11.2013
Selected format:Code for construction of masonry structures engineering
Standard published on 29.1.2014
Selected format:Code for intercity transportation planning
Standard published on 29.11.2013
Selected format:Code for design of silk factory
Standard published on 6.9.2013
Selected format:Code for risk management of large and medium scale hydropower projects
Standard published on 1.11.2013
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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