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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
Dust control code for foundry
Standard published on 26.6.2007
Selected format:“E” rings
Standard published on 31.3.2020
Selected format:Polyester drawn yarns
Standard published on 11.9.2015
Selected format:Protective clothing—Flame retardant protective clothing
Standard published on 23.7.2020
Selected format: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:Latest update: 2026-06-15 (Number of items: 2 282 497)
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