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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
Sectional specification for semiconductor integrated circuits, excluding hybrid circuits
WITHDRAWN published on 21.3.1991
Selected format:The specification of one channel high quality sound in sync
WITHDRAWN published on 21.3.1991
Selected format:Steel wire ropes for conveyer belts
WITHDRAWN published on 26.3.1991
Selected format:Steel wire ropes for conveyer belts
WITHDRAWN published on 10.3.2002
Selected format:Steel wire ropes for conveyer belts
WITHDRAWN published on 19.8.2008
Selected format:Coloured paint coat steel plates and strips
WITHDRAWN published on 26.3.1991
Selected format:Prepainted steel sheet
WITHDRAWN published on 5.2.2006
Selected format:Roll-profiled steel sheet for building
WITHDRAWN published on 26.3.1991
Selected format:Steel wire ropes for rubber hose
WITHDRAWN published on 26.3.1991
Selected format:Thermal protective aids for life-saving
WITHDRAWN published on 26.3.1991
Selected format:Latest update: 2026-10-21 (Number of items: 2 307 910)
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