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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 acceptance of high voltage DC power supply system engineering for telecommunication
Standard published on 5.6.2019
Selected format:Standard for design of rock wool plant
Standard published on 12.8.2019
Selected format:Liquid chlorine for industrial use
Standard published on 20.8.2021
Selected format:Technical standard for broadband optical fiber access engineering
Standard published on 12.8.2019
Selected format:Design standard of VSC-HVDC converter station
Standard published on 12.8.2019
Selected format:Standard for process design of lithium refinery
Standard published on 12.8.2019
Selected format:Technical standard for liquid waste treatment and utilization facilities of cold rolling plant in iron and steel enterprises
Standard published on 10.7.2019
Selected format:Technical standard for foundation treatment on site during heavy equipment lifting in petrochemical industry
Standard published on 10.7.2019
Selected format:Standard for process design of microwave integrated module factory
Standard published on 10.7.2019
Selected format:Standard for design of metallurgic lime roasting project
Standard published on 10.7.2019
Selected format:Latest update: 2026-09-23 (Number of items: 2 302 501)
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