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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
Graphical symbols for textile machinery
Standard published on 18.6.2008
Selected format:National Food Safety Standard -- Procedures for toxicological assessment of food
Standard published on 24.12.2014
Selected format:National Food Safety Standard -- Unscheduled DNA synthesis test
Standard published on 24.12.2014
Selected format:Sex-linked recessive lethal test
Standard published on 7.8.2015
Selected format:National Food Safety Standard -- HGPRT gene mutation test
Standard published on 24.12.2014
Selected format:Thirty and ninety days feeding study
Standard published on 7.8.2015
Selected format:Teratogenicity study
Standard published on 7.8.2015
Selected format:Reproductive study
Standard published on 7.8.2015
Selected format:National Food Safety Standard -- Toxicokinetic test
Standard published on 24.12.2014
Selected format:Chronic toxicity and carcinogencity study
Standard published on 7.8.2015
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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