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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
Road vehicles—Multicore connecting cables—Part 3:Construction,dimensions and marking of unscreened sheathed low-voltage cables
WITHDRAWN published on 19.12.2006
Selected format:Road vehicles—Multi-core connecting cables—Part 4:Articulation test method and requirements for coiled cable assemblies
WITHDRAWN published on 24.9.2008
Selected format:Code for design of raw material yard of iron and steel plants
WITHDRAWN published on 11.11.2009
Selected format:Code for design of energy conservation of building and sanitary ceramic plant
WITHDRAWN published on 11.11.2009
Selected format:Code for design of general layout & transportation for non-ferrous metallurgical enterprises
WITHDRAWN published on 10.11.2009
Selected format:Code for compilation of urban railway network planning
WITHDRAWN published on 30.11.2009
Selected format:Technical code for geotechnical engineering of tailings embankment
WITHDRAWN published on 18.1.2010
Selected format:Code for investigation and surveying of 330kV750kV overhead transmission line
WITHDRAWN published on 31.5.2010
Selected format:Coding standard for power plant identification system
WITHDRAWN published on 31.5.2010
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WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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