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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 general layout & transportation for non-ferrous metallurgical enterprises
Standard published on 1.1.2022
Selected format:Code for design of 110kV~750kV overhead transmission line
Standard published on 18.1.2010
Selected format:Code for compilation of urban railway network planning
Standard published on 25.4.2018
Selected format:Technical code for geotechnical engineering of tailings embankment
Standard published on 1.1.2022
Selected format:Code for investigation and surveying of 330kV750kV overhead transmission line
Standard published on 11.9.2018
Selected format:Coding standard for power plant identification system
Standard published on 9.6.2020
Selected format:Black carp, grass carp, silver carp and bighead carp - Parents
Standard published on 17.6.2008
Selected format:Code for acceptance of construction quality of strengthening building structures
Standard published on 15.7.2010
Selected format:Code for quality acceptance of palletzing mechanical equipment installation engineering
Standard published on 16.3.2018
Selected format:Design document preparation standard of open-pit mine construction project in coal industry
Standard published on 31.5.2010
Selected format:Latest update: 2026-10-27 (Number of items: 2 208 060)
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