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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
Test method for shear properties of sandwich constructions or cores
WITHDRAWN published on 20.9.1988
Selected format:Test method for shear properties of sandwich constructions or cores
WITHDRAWN published on 18.5.2005
Selected format:Soil quality. Determination of BHC and DDT. Gas chromatography
WITHDRAWN published on 6.8.1993
Selected format:Organisms quality - Determination of BHC and DDT—Gas chromatography
WITHDRAWN published on 6.8.1993
Selected format:Water and soil quality—Determination of organophosphorus pesticides—Gas chromatography
WITHDRAWN published on 6.8.1993
Selected format:Cereal, fruit and vegetable quality—Determination of organophosphorus pesticides—Gas chromatography
WITHDRAWN published on 6.8.1993
Selected format:Method of gas chromatographic for determination of organophosphorus pesticides in cereals,fruits and vegetables
WITHDRAWN published on 10.11.2003
Selected format:Requirements for electrical and mechanical installation of marine navigational radar
WITHDRAWN published on 31.7.1993
Selected format:Requirements for interface of marine navigational radar
WITHDRAWN published on 31.7.1993
Selected format:Electrical tests and measuring procedures for ridio-frequency connectors:Reflection factor
WITHDRAWN published on 31.7.1993
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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