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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
Fired hollow bricks and blocks
Standard published on 24.6.2014
Selected format:Rectifying sampling procedures and tables for inspections by attributes
Standard published on 2.7.1992
Selected format:Human dimensions in workspaces
Standard published on 2.7.1992
Selected format:Chlorsulphonic acid for industrial use
Standard published on 13.10.2016
Selected format:Wheat flour
Standard published on 31.12.2021
Selected format:Molecular sieve 5A and its determination
Standard published on 31.12.2015
Selected format:Phosphate rock and concentrate--Determination of cadmium oxide content--Flame atomic absorption spectrometric method
Standard published on 20.12.1995
Selected format:Automotive V-ribbed belts
Standard published on 7.9.2023
Selected format:Classification of adhesives
Standard published on 28.10.1996
Selected format:High efficiency particulate air filter
Standard published on 31.3.2020
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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