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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
Rubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)
Standard published on 30.8.2019
Selected format:Antioxidant PAN
Standard published on 24.8.2006
Selected format:Antioxidant 4010NA
Standard published on 10.11.2003
Selected format:Vulcanizing accelerator NOBS
Standard published on 29.12.2006
Selected format:Lock rings with cone pin
Standard published on 2.7.1986
Selected format:Fibre ropes —Determination of certain physical and mechanical properties
Standard published on 14.6.2016
Selected format:
Fibre ropes—Determination of certain physical and mechanical properties
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Lock ring with screw
Standard published on 2.7.1986
Selected format:Limit for exhaust smoke of marine diesel engine
Standard published on 9.3.2009
Selected format:Terminology of working ship
Standard published on 11.9.2002
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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