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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
Semiconductor devicesIntegrated circuitsPart 11: Sectional specification for semiconductor integrated circuits excluding hybrid circuits
Standard published on 23.8.2006
Selected format:General specification for marine Loran-C receiving equipment
Standard published on 21.3.1991
Selected format:Steel wire ropes for conveyer belts
Standard published on 21.7.2020
Selected format:Prepainted steel sheet and strip
Standard published on 25.3.2019
Selected format:Profiled steel sheet for building
Standard published on 6.12.2008
Selected format:Zinc-coated steel wire ropes for high-pressure rubber hose
Standard published on 14.5.2018
Selected format:Thermal protective aids for life-saving
Standard published on 29.12.2017
Selected format:General specification of signal system for urban rail transit
Standard published on 7.9.2023
Selected format:Double-circular-arc tooth profile of basic rack for cylindrical gears
Standard published on 22.3.1991
Selected format:Chemical reagent--Ammonium fluoride
Standard published on 16.9.1999
Selected format:Latest update: 2026-01-14 (Number of items: 2 254 595)
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