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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
General specification of superalloy wires
WITHDRAWN published on 23.12.2010
Selected format:Hot rolled steel plates and strips for porcelain enameling
WITHDRAWN published on 23.12.2010
Selected format:The galvanized steel wire ropes for highway guardrail
WITHDRAWN published on 23.12.2010
Selected format:Low-voltage reactive power dynamic compensation equipment with zero transition
WITHDRAWN published on 23.12.2010
Selected format:-
WITHDRAWN published on 1.1.1981
Selected format:Test method for impact toughness of ceramic floor tiles
WITHDRAWN published on 1.1.1981
Selected format:Guide of protection relaying for 1 000 kV power system
WITHDRAWN published on 23.12.2010
Selected format:Specifications for control and protection equipment of ±800 kV ultra high voltage direct current transmission
WITHDRAWN published on 23.12.2010
Selected format:Industrial -ray level meter
WITHDRAWN published on 10.1.2011
Selected format:Mobile elevating work platforms—Design calculations,safety requirements and test methods
WITHDRAWN published on 10.1.2011
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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