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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
Industrial surplus energy resources evaluation methods
Standard published on 17.9.2018
Selected format:Forestry machinery - Portable pneumatic fire extinguisher
Standard published on 11.12.2008
Selected format:Forestry machinery—Portable pneumatic fire extinguisher—Measurement of vibration
Standard published on 24.2.2016
Selected format:Forestry machinery—Portable pneumatic fire extinguisher—Measurement of noise
Standard published on 24.2.2016
Selected format:National food safety standards -- Food additives -- Rosin and partially hydrogenated rosin
Standard published on 25.12.2012
Selected format:Test method for down and feather
Standard published on 30.12.2016
Selected format:Test procedures for three-phase synchronous machines
Standard published on 21.5.2021
Selected format:Thermal insulation - Determination of steady-state thermal resistance and related properties - Guarded hot plate apparatus
Standard published on 30.6.2008
Selected format:Thermal insulation-Determination of steady-state thermal resistance and related properties - Heat flow meter apparatus
Standard published on 30.6.2008
Selected format:Thermal insulation - Determination of steady-state thermal transmission properties-pipe insulation apparatus
Standard published on 30.6.2008
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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