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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
Practice for conversion between resistivity and dopant density for boron-doped, phosphorus-doped, and arsenic-doped silicon
Standard published on 31.12.2014
Selected format:Self-locking nutsreduced hexagon
Standard published on 22.12.1988
Selected format:Metallic powder-Determination of the specific surface area - Method of nitrogen adsorption
Standard published on 31.3.2008
Selected format:Division and evaluation for catering enterperises grade
Standard published on 30.9.2009
Selected format:Vehicle marking of dangerous goods for road transportation
Standard published on 8.9.2023
Selected format:Guide to acceptance sampling inspection
Standard published on 6.8.2008
Selected format:Regulation of hot washing for electric power apparatus
Standard published on 24.9.2008
Selected format:China standard recording code
Standard published on 30.9.2009
Selected format:Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method
Standard published on 26.10.2024
Selected format:Insulating hollow tubes and foam-filled tubes and solid rods for live working
Standard published on 30.12.2008
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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