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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
Size designation of clothes--Women
WITHDRAWN published on 1.1.1991
Selected format:Size designation of clothes—Women
WITHDRAWN published on 13.11.1997
Selected format:Size designation of clothes—Children
WITHDRAWN published on 13.11.1997
Selected format:Glass wool and their products for thermal insulation
WITHDRAWN published on 24.7.2000
Selected format:Glass wool and their products for thermal insulation
WITHDRAWN published on 30.6.2008
Selected format:General specification for anti-corrosion paint on ship bottom
WITHDRAWN published on 14.1.1992
Selected format:Automotive V-belts--Dimensions
WITHDRAWN published on 1.1.1992
Selected format:Automotive V-belts—Dimensions
WITHDRAWN published on 28.10.1996
Selected format:Broomcorn millet (glutinous)
WITHDRAWN published on 21.1.1992
Selected format:Broomcorn milletglutinous
WITHDRAWN published on 4.11.2008
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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