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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
Retro-reflective markings for trucks and trailers
WITHDRAWN published on 6.3.2009
Selected format:Photometric characteristics of daytime running lamps for motor vehicles
WITHDRAWN published on 6.3.2009
Selected format:Photometric characteristics of daytime running lamps for power driven vehicles
WITHDRAWN published on 4.4.2019
Selected format:Polyethylene coating for buried steel pipeline
WITHDRAWN published on 16.3.2009
Selected format:Standard practice controlling internal corrosion in steel pipelines
WITHDRAWN published on 16.3.2009
Selected format:Link
WITHDRAWN published on 1.1.1985
Selected format:Extension tie
WITHDRAWN published on 1.1.1985
Selected format:Test method for nonmetallic sealing packings
WITHDRAWN published on 9.3.2009
Selected format:Determination of asbestos in products
WITHDRAWN published on 9.3.2009
Selected format:Brake lining assembly for electric power assist bicycles
WITHDRAWN published on 9.3.2009
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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