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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
Emission standards for odor pollutants
Standard published on 6.8.1993
Selected format:Requirements for interface and installation of marine radar
Standard published on 11.9.2015
Selected format:Symbols and units of variant quantities
Standard published on 19.8.1993
Selected format:Test method for flexural properties of sandwich constructions
Standard published on 31.12.2021
Selected format:Crawler cranes
Standard published on 11.7.2022
Selected format:Fire hydrant cabinet
Standard published on 10.12.2019
Selected format:V-belts--Fatigue test--Loaded method
Standard published on 28.12.1999
Selected format:Specification and test method of kaolin clay
Standard published on 2.6.2020
Selected format:Specification and type for bursting discs - Part 1Conventional domed bursting discs
Standard published on 30.12.2011
Selected format:Specification and type for bursting discs - Part 2Reverse domed bursting discs
Standard published on 30.12.2011
Selected format:Latest update: 2026-04-15 (Number of items: 2 272 661)
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