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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
Wookworking machines - Turning lathes - Nomenclature and acceptance conditions
Standard published on 11.8.2008
Selected format:Woodworking machines—Vocabulary
Standard published on 31.10.2025
Selected format:General specifications of gas cylinder valves
Standard published on 20.8.2021
Selected format:General specifications of gas cylinder valves
Standard published on 20.8.2021
Selected format:Connection types and dimensions for gas cylinder valve outlets
Standard published on 30.12.2011
Selected format:Designation for gas cylinders
Standard published on 30.12.2011
Selected format:Method for hydraulic burst test of gas cylinder
Standard published on 9.3.2022
Selected format:Guidelines for the documentation for developing tcrminological database
Standard published on 6.5.2014
Selected format:Guidelines for the development of terminological database
Standard published on 6.5.2014
Selected format:Fasteners—Threaded rods
Standard published on 5.10.2025
Selected format:Latest update: 2026-08-18 (Number of items: 2 297 400)
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