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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
The general rules for inspection, packing, marking, certification and storing transportation of steel nails
WITHDRAWN published on 1.1.1982
Selected format:Coal based Fisher-Tropsch sysnthesis—Standard test method for calculated cetane index of distillate fuels—Four variable equation
WITHDRAWN published on 7.9.2017
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Galvanized steel core wires for aluminium cable steel reinforced
WITHDRAWN published on 11.11.1997
Selected format:Zinc-coated steel wires for stranded conductors
WITHDRAWN published on 8.10.2002
Selected format:Zinc-coated steel wires for stranded conductors
WITHDRAWN published on 31.12.2012
Selected format:Carbon steel wire rods for welding electrodes
WITHDRAWN published on 1.1.1982
Selected format:Wire rods for electrode
WITHDRAWN published on 13.6.1994
Selected format:Wire rod for electrode
WITHDRAWN published on 19.11.2002
Selected format:Low carbon steel wire for general uses
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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