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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 methods for foundry sands and molding mixtures
WITHDRAWN published on 5.3.2009
Selected format:Electronic commerce - Core metadata for medicine
WITHDRAWN published on 29.7.2011
Selected format:Transaction subject based upon activities of electronic commerce—Specification for enterprise credit archive
WITHDRAWN published on 29.7.2011
Selected format:Transaction subject based upon activities of electronic commerce—Specification for enterprise credit assessment index and credit grade
WITHDRAWN published on 29.7.2011
Selected format:Lead-out wire and connector of motor and controller used for electric bicycles
WITHDRAWN published on 29.7.2011
Selected format:Electronic controllers for solar photovoltaic(PV) lighting—Performance specifications
WITHDRAWN published on 29.7.2011
Selected format:Powder metallurgy plain bearing--Cylindrical type--Typesdimensions and tolerances
WITHDRAWN published on 17.6.1981
Selected format:Requirements concerning the interoperability between electromechanical and electrical applications in CAx-systems
WITHDRAWN published on 29.7.2011
Selected format:Powder metallurgy plain bearing--Rimed cylindrical type--Typesdimensions and tolerances
WITHDRAWN published on 17.6.1981
Selected format:Test specifications for synchrophasor measurement unit for power systems
WITHDRAWN published on 29.7.2011
Selected format:Latest update: 2026-03-25 (Number of items: 2 269 413)
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