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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
Volatile organic liquids for industrial use--Determination of boiling range
Standard published on 15.3.2004
Selected format:Parameter series of steam turbines for power plant
Standard published on 25.4.2024
Selected format:Single-use sterile rubber surgical gloves
Standard published on 14.12.2020
Selected format:Natural rubber latex male condoms—Requirements and test methods
Standard published on 18.10.2019
Selected format:Synchronizing universal coupling with ball and socket
Standard published on 27.9.2008
Selected format:Rotating electrical machines—Rating and performance
Standard published on 1.8.2025
Selected format:Synchronizing universal coupling with ball and socket - Test method
Standard published on 27.9.2008
Selected format:Load cells
Standard published on 30.6.2008
Selected format:35mm Camera test chart target
Standard published on 25.3.1987
Selected format:Protected 5-unit numerical code for telegram service
Standard published on 26.3.1987
Selected format:Latest update: 2026-10-14 (Number of items: 2 304 995)
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