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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
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WITHDRAWN published on 1.1.1986
Selected format:Regulation on noise levels on board sea-going ships
WITHDRAWN published on 4.4.1986
Selected format:Marine bronze external screwed packed cocks
WITHDRAWN published on 15.5.1980
Selected format:Regulation on noise levels on board inland ships
WITHDRAWN published on 28.8.2000
Selected format:Milking machine installations--Vocabulary
WITHDRAWN published on 1.1.1986
Selected format:Milking machine installations—Vocabulary
WITHDRAWN published on 8.6.2005
Selected format:Testing method for rice and wheat thresher
WITHDRAWN published on 4.4.1986
Selected format:Testing method for thresher
WITHDRAWN published on 8.6.2005
Selected format:Test methods for seed cleaning machine
WITHDRAWN published on 26.2.2001
Selected format:Technical regulations for dust control in shaft kiln cement plants
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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