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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
Technical code of practice for dynamic monitoring of coal mining subsidence area by satellite remote sensing
Standard published on 1.8.2025
Selected format:Requirements for digital testing equipment for aircraft electrical power characteristics
Standard published on 1.8.2025
Selected format:Heavy casting and forging for heavy-duty gas turbine—Part 1Steel open die forgings
Standard published on 29.8.2025
Selected format:Heavy casting and forging for heavy-duty gas turbine—Part 2Superalloy die forgings
Standard published on 1.8.2025
Selected format:Heavy casting and forging for heavy-duty gas turbine—Part 3Steel castings
Standard published on 1.8.2025
Selected format:Micro joining of 2nd generation high temperature superconductors—Part 1:General requirements for the procedure
Standard published on 1.8.2025
Selected format:Micro joining of 2nd generation high temperature superconductors—Part 2: Qualification for welding and testing personnel
Standard published on 1.8.2025
Selected format:Micro joining of 2nd generation high temperature superconductors—Part 3: Test methods for joints
Standard published on 1.8.2025
Selected format:Rare earths thermo-chemical treatment—Part 1: Carburizing and carbonitriding
Standard published on 1.8.2025
Selected format:Ships and marine technology—Systems for the detection of persons while going overboard from ships (man overboard detection)
Standard published on 1.8.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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