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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
Springs—Measurement and test parameters—Part 1:Cold formed cylindrical helical compression springs
Standard published on 1.8.2025
Selected format:Springs—Measurement and test parameters—Part2:Cold formed cylindrical helical extension springs
Standard published on 29.8.2025
Selected format:Springs—Measurement and test parameters—Part 3: Cold formed cylindrical helical torsion springs
Standard published on 30.4.2026
Selected format:Additive manufacturing—Alumina slurry for vat photopolymerization of ceramics
Standard published on 1.8.2025
Selected format:Guidelines for home-based meal assistance service to the elderly
Standard published on 30.6.2025
Selected format:Information technology—Digital twin for workshop—Reference architecture
Standard published on 30.6.2025
Selected format:Road construction and road maintenance machinery and equipment—Safety requirements of sweepers
Standard published on 30.6.2025
Selected format:Fine ceramics—Determination of densification properties of ceramic powders on natural sintering
Standard published on 30.6.2025
Selected format:Imaging materials—Methods for characterization of particles
Standard published on 30.6.2025
Selected format:Carbon fiber composite materials—Method for planar biaxial tensile testing of laminates
Standard published on 30.6.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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