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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
Testing specification of hydraulic turbine governing systems
Standard published on 4.6.2019
Selected format:Series parameter for cotton press
Standard published on 28.12.2006
Selected format:Calculated methods of sorting capacity for railway marshalling station (3-stage/3-yard)
Standard published on 1.7.1988
Selected format:Safety technical specification for glazing materials used in power-driven vehicles
Standard published on 30.4.2021
Selected format:Citrus budling
Standard published on 18.6.2008
Selected format:
Citrus graftings
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Standard of aircraft noise for environment around airport
Standard published on 11.8.1988
Selected format:Measurement of aircraft noise around airport
Standard published on 11.8.1988
Selected format:Nut taps
Standard published on 3.6.2008
Selected format:National Food Safety Standard -- Chocolate
Standard published on 24.12.2014
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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