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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
Enamelled rectangular copper winding wires - Part 6: Polyester or polyesterimide overcoated with polyamide-imide enamelled rectangular copper wire, class 200
Standard published on 13.6.2008
Selected format:Enamelled rectangular copper winding wires - Part 7:Polyester enamelled rectangular copper wire, class 130
Standard published on 13.6.2008
Selected format:National Food Safety Standard -- Edible fungi
Standard published on 24.12.2014
Selected format:Hygienic standard for canned edible fungi
Standard published on 16.3.2025
Selected format:Hygienic standard for pastry and bread
Standard published on 22.9.2015
Selected format:Slotted set screws with cone point
Standard published on 28.12.2018
Selected format:Hygienic standard for biscuits
Standard published on 22.9.2015
Selected format:Hygienic standard for solid drink
Standard published on 30.6.2022
Selected format:Test methods of air permeability,watertightness,wind load resistance performance for building external windows and doors
Standard published on 10.12.2019
Selected format:Hot-rolled quality carbon structural steel plates sheets and strips
Standard published on 28.2.2017
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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