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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
Reference beta radiations - Part 3: Calibration of area and personal dosemeters and the determination of their response as a function of beta radiation energy and angle of incidence
Standard published on 10.10.2013
Selected format:Electrical characteristics of unbalanced voltage digital interface circuits
Standard published on 12.1.1990
Selected format:Aluminium alloy grip clamps of tension wire for live working
Standard published on 6.3.2006
Selected format:Protective covers of insulating material for live working
Standard published on 6.3.2006
Selected format:Micrometer for measuring root tangent lengths of gear teeth
Standard published on 11.7.2022
Selected format:Mining electrical apparatus for non hazardous area
Standard published on 30.6.2008
Selected format:Industrial automation systems - Numerical control of machines - NC processor output - File structure and language format
Standard published on 19.8.2008
Selected format:General specification for noise generator
Standard published on 31.12.2013
Selected format:Depth micrometer
Standard published on 14.5.2018
Selected format:General specification for secondary surveillance radar of air traffic control
Standard published on 17.9.2018
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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