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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
Protective clothing—Protective clothing for welders
Standard published on 29.12.2022
Selected format:Protective clothing—Clothing to protect against molten metal splash
Standard published on 29.12.2022
Selected format:Protective clothing—Arc flash protective clothing
Standard published on 29.12.2022
Selected format:Burley tobacco
Standard published on 31.8.2005
Selected format:Monosodium L-glutamate
Standard published on 2.2.2007
Selected format:
Quality requirements for monosodium L-glutamate
Execute Date: january 2027
Standard published on 2.12.2025
Selected format:Double end studs--bm=1d
Standard published on 6.2.1988
Selected format:Air quality--Determination of benzo(a) pyrene in flying bust--Acetylated paper chromatography fluorescence spectrophotometric method
Standard published on 30.3.1988
Selected format:Generic specification for film integrated circuits and hybrid film integrated circuits
Standard published on 9.7.1996
Selected format:Integrated wastewater discharge standard
Standard published on 4.10.1996
Selected format:Latest update: 2026-04-23 (Number of items: 2 274 600)
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