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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
Non-destructive testing—Coercivity testing method for static equipments of petroleum and chemical plant
Execute Date: december 2026
Standard published on 25.5.2026
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Non destructive testing—Optical gas imaging testing method for volatile organic compounds (VOCs) leakage
Execute Date: december 2026
Standard published on 25.5.2026
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Stationary pressure vessel periodical inspection method
Execute Date: december 2026
Standard published on 25.5.2026
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Aerospace—Spring sheet metal retainers for self-locking barrel nuts
Execute Date: december 2026
Standard published on 25.5.2026
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Aerospace—High power solid state power controller—General performance requirements
Execute Date: december 2026
Standard published on 25.5.2026
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General requirements for civil small and light unmanned rotor aircraft parachute system
Execute Date: december 2026
Standard published on 25.5.2026
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General specification for aerospace P-type (lopo-type) clamps
Execute Date: december 2026
Standard published on 25.5.2026
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Aerospace—Clamps for fluid systems—Test methods
Execute Date: december 2026
Standard published on 25.5.2026
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On-orbit modal parameters measurement and identification method for large flexible structures of space station
Execute Date: december 2026
Standard published on 25.5.2026
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Specification on the application of methanol fuel for vehicles
Execute Date: september 2026
Standard published on 25.5.2026
Selected format:Latest update: 2026-07-15 (Number of items: 2 287 995)
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