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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
Retreaded tyres for passenger cars
Standard published on 24.1.2025
Selected format:Chloroprene rubber CR121CR122
Standard published on 19.6.2008
Selected format:Test method for marine auxiliary boiler property
Standard published on 29.8.2025
Selected format:General specification for marine auxiliary boiler
Standard published on 29.8.2025
Selected format:Small craft - Fire-resistant fuel hoses
Standard published on 9.3.2009
Selected format:Small craft - Non-fire-resistant fuel hoses
Standard published on 9.3.2009
Selected format:Flexible link coupling
Standard published on 30.6.2025
Selected format:Elastic damping leaf damper
Standard published on 30.6.2025
Selected format:Test method for burning behavior of flame-retardant paper and board
Standard published on 11.3.2009
Selected format:Civil cartridge terminology
Standard published on 16.10.1993
Selected format:Latest update: 2026-04-16 (Number of items: 2 272 849)
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