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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
National flag
WITHDRAWN published on 25.5.1991
Selected format:Standard color sample of national flag
WITHDRAWN published on 25.5.1991
Selected format:Paperboard containers drawings
WITHDRAWN published on 12.6.1991
Selected format:Concrete hollow floor slab for rural houses
WITHDRAWN published on 28.7.1997
Selected format:Test method for abrasion resistance of inorganic paving materials
WITHDRAWN published on 20.8.1991
Selected format:Paints and varnishes--List of equivalent terms
WITHDRAWN published on 24.8.1991
Selected format:Alloy tool steels
WITHDRAWN published on 25.10.2000
Selected format:Information processing systems—Database language SQL with integrity enhancement
WITHDRAWN published on 19.8.1991
Selected format:Seed processing machinery—Terminology
WITHDRAWN published on 23.8.1991
Selected format:Motor wheelchairs
WITHDRAWN published on 19.6.1991
Selected format:Latest update: 2026-01-16 (Number of items: 2 254 749)
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