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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
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WITHDRAWN published on 10.11.2009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WITHDRAWN published on 30.11.2009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WITHDRAWN published on 18.1.2010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WITHDRAWN published on 31.5.2010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WITHDRAWN published on 31.5.2010
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Parents fish of black carp, grass carp, silver carp and bighead carp
WITHDRAWN published on 16.6.1997
Selected format:Code for quality acceptance of palletzing mechanical equipment installation engineering
WITHDRAWN published on 31.5.2010
Selected format:Design document preparation standard of mine construction project in coal industry
WITHDRAWN published on 31.5.2010
Selected format:Code for design of environmental protection of cement plant
WITHDRAWN published on 31.5.2010
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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