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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
Pyrometric reference cones for laboratory use
WITHDRAWN published on 16.11.1992
Selected format:Pyrometric reference cones
WITHDRAWN published on 26.6.2008
Selected format:Cold-rolled steel strips for industial chain
WITHDRAWN published on 16.11.1992
Selected format:Cold-drawn steels for industrial chain
WITHDRAWN published on 16.11.1992
Selected format:Blank detail specification of X-ray tubes for medical practice
WITHDRAWN published on 17.11.1992
Selected format:General specifications for medical X-ray tube
WITHDRAWN published on 30.9.2009
Selected format:Performance requirements of high frequency surgical equipment
WITHDRAWN published on 1.1.1992
Selected format:-
WITHDRAWN published on 1.1.1981
Selected format:Standards for water level observation
WITHDRAWN published on 2.7.1990
Selected format:Manual wheelchairs
WITHDRAWN published on 16.11.1992
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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