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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
Sampling and determination of 131Iin air
Standard published on 30.8.1993
Selected format:Technical regulations for radiation environmental management of radioactive wastes from uranium mining and milling
Standard published on 25.6.2024
Selected format:Technical regulations for the environmental management of decommissioning of uranium mining and milling facilities
Standard published on 30.8.1993
Selected format:Technical regulations for environmental management of reactor decommissioning
Standard published on 13.3.2009
Selected format:Liquid unsaturated polyester for button
Standard published on 8.7.2014
Selected format:Water treatment chemicals—Poly ferric sulfate
Standard published on 13.12.2016
Selected format:Molybdenum discs
Standard published on 24.7.2014
Selected format:Quantitative analysis method of cashmere, wool and their blends - Scanning electron microscope method
Standard published on 20.8.2008
Selected format:
Quantitative analysis of animal fibers such as cashmere and wool
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Oxygen-free copper sheets and strips for vacuum electron devices
Standard published on 5.12.2014
Selected format:Latest update: 2026-09-08 (Number of items: 2 300 134)
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