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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
Zinc oxide (Indirect method)
WITHDRAWN published on 9.6.1992
Selected format:Sampling paint products
WITHDRAWN published on 1.9.1982
Selected format:Identification system for internet of things—Entity code
WITHDRAWN published on 11.9.2015
Selected format:Basic terms and definitions for reliability
WITHDRAWN published on 1.1.1982
Selected format:Reliability and maintainability terms
WITHDRAWN published on 6.12.1994
Selected format:Outline dimensions of electronic tubes
WITHDRAWN published on 3.9.1982
Selected format:Cycles—Retro-reflective devices
WITHDRAWN published on 11.9.2015
Selected format:Connecting dimensions for caps of electronic tubes
WITHDRAWN published on 3.9.1982
Selected format:Rubber overshoes
WITHDRAWN published on 1.1.1983
Selected format:Chemical composition of wrought aluminum and aluminum alloys designation
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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