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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
Ships drain plugs of vent pipes
WITHDRAWN published on 1.1.1982
Selected format:Ships bulkhead pipe parts of vent pipes
WITHDRAWN published on 1.1.1982
Selected format:General guide for comprehensive utilization of sisal
WITHDRAWN published on 31.12.2013
Selected format:Bee pollen
WITHDRAWN published on 31.12.2013
Selected format:Single eccentric hydraulic control butterfly valves
WITHDRAWN published on 1.1.1982
Selected format:Marine center-pivoted butterfly valves
WITHDRAWN published on 20.6.1994
Selected format:Bamboo scrimber flooring
WITHDRAWN published on 31.12.2013
Selected format:Terminology related to biomass
WITHDRAWN published on 31.12.2013
Selected format:Single eccentric hand-operated butterfly valves
WITHDRAWN published on 1.1.1982
Selected format:Marine duo-eccentric-pivoted butterfly valves
WITHDRAWN published on 20.6.1994
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
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