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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
Pulps--Determination of alkali resistance
Standard published on 15.3.2004
Selected format:Measurement of airborne noise emitted by steam turbines and driven machinery
Standard published on 16.7.2008
Selected format:Angle grinders
Standard published on 30.1.2007
Selected format:Hammers
Standard published on 30.1.2007
Selected format:Pulps--Determination of pentosan content
Standard published on 25.8.2003
Selected format:Surface active agents--Measurement of foaming power--Modified Ross-miles method
Standard published on 12.4.1994
Selected format:Surface active agents - Determination of the power to dispersecalcium soap - Acidimetric.method (Modifled Schoenfeldt method)
Standard published on 28.5.2008
Selected format:
Surface active agents—Determination of the power to disperse calcium soap—Acidimetric methodModifled Schoenfeldt method
Execute Date: november 2026
Standard published on 30.4.2026
Selected format:High activity cobalt-60 sealed radioactive sources
Standard published on 9.10.2015
Selected format:Water quality--Determination of total chromium
Standard published on 6.3.1987
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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