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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
Junction-to-case thermal resistance test methods of packages for semiconductor integrated circuits
Standard published on 30.12.1993
Selected format:Solid-polyethene insulated flexible radio-frequency cables
Standard published on 17.12.2013
Selected format:General technical specification for eye and face protector
Standard published on 28.12.2023
Selected format:Feng-flavour Chinese spirits
Standard published on 19.1.2007
Selected format:National Food Safety Standard for the Use of Nutritional Fortification Substances in Foods
Standard published on 15.3.2012
Selected format:National food safety standard - General hygienic standard for food production
Standard published on 24.5.2013
Selected format:
National food safety standard - General hygienic regulation for food production
Execute Date: september 2026
Standard published on 2.9.2025
Selected format:Limited concentrations of radioactive materials in foods
Standard published on 22.2.1992
Selected format:Examination of radioactive materials for foods- General principle
Standard published on 31.8.2016
Selected format:Examination of radioactive materials for foods- Determination of cesium-137
Standard published on 31.8.2016
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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