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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
Raised countersunk head screws with cross recess
Standard published on 31.12.2015
Selected format:Bisultap soluble concentrate
Standard published on 31.12.2019
Selected format:Determination of germanium in coal
Standard published on 1.11.2007
Selected format:Determination of gallium in coal
Standard published on 1.11.2007
Selected format:Square set screws with chamfered end
Standard published on 17.9.2018
Selected format:Method of inspection forfresh citrus fruit
Standard published on 16.6.2011
Selected format:Bristles
Standard published on 8.7.2009
Selected format:Methods of inspection for bristles
Standard published on 8.7.2009
Selected format:Cheese head screws with cross recess
Standard published on 24.2.2016
Selected format:The principles for electricity balance of equipment
Standard published on 18.9.2008
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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