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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
Determination of the gasoline octane number—Test method for research octane number
Standard published on 31.12.2015
Selected format:Printed circuit board draw
Standard published on 17.9.2018
Selected format:Electro-welded anchor chains
Standard published on 28.2.2017
Selected format:Inspection of grain and oils - General rules
Standard published on 30.6.2010
Selected format:Inspection of grain and oil seeds—Sampling and dividing
Standard published on 31.10.2025
Selected format:Inspection of grain and oils - Identification of colour, odour and taste of grain and oilseeds
Standard published on 4.11.2008
Selected format:Inspection of grain and oils - Determination of type purity and their mixture
Standard published on 4.11.2008
Selected format:Inspection of grain and oils—Determination of foreign matter and unsound kernels of grain and oilseeds
Standard published on 10.5.2019
Selected format:
Inspection of grain and oils—Determination of impurities and defective kernels in grains and oilseeds
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Inspection of grain and oils - Determination of husked rice yield from paddy
Standard published on 4.11.2008
Selected format:Latest update: 2026-06-28 (Number of items: 2 284 473)
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