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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
Standard for design of coke dry quenching engineering
Standard published on 24.5.2019
Selected format:Standard for design of environmental protection of shipyard project
Standard published on 24.5.2019
Selected format:Acceptance standards for network engineering
Standard published on 24.5.2019
Selected format:Standard for building carbon emission calculation
Standard published on 9.4.2019
Selected format:Standard for design of strengthening steel structure
Standard published on 22.11.2019
Selected format:Technical code for application of solar photovolataic system of civil buildings
Standard published on 19.6.2019
Selected format:Standard for anti-seismic design of information and communications equipment installation engineering
Standard published on 1.11.2019
Selected format:Test methods of safety glazing materials used on road vehicles—Part 1:Mechanical properties tests
Standard published on 31.3.2020
Selected format:Test methods of safety glazing materials used on road vehicles—Part 2:Optical properties tests
Standard published on 31.3.2020
Selected format:Test methods of safety glazing materials used on road vehicles—Part 3:Radiation,high temperature,humidity,fire and simulated weathering resistance tests
Standard published on 31.3.2020
Selected format:Latest update: 2026-09-23 (Number of items: 2 302 501)
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