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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
Pulp—Determination of cellulose nanocrystal sulfur and sulfate half-ester content
Standard published on 7.9.2023
Selected format:Man-made fibre—Determination of dynamic elastic modulus—Sonic-pulse propagation method
Standard published on 7.9.2023
Selected format:Polyimide short cut fibre
Standard published on 7.9.2023
Selected format:Synthetic fibre—Test method for shrinkage in hot air of staple fibres
Standard published on 7.9.2023
Selected format:Test method of artificial leather and synthetic leather—Testing and evaluation for surface wrinkle
Standard published on 7.9.2023
Selected format:Green product assessment—Lighting products
Standard published on 7.9.2023
Selected format:Interconnection and interoperation for textile equipment—Part 1:General technology requirements
Standard published on 7.9.2023
Selected format:Interconnection and interoperation for textile equipment—Part 2Spinning
Standard published on 28.2.2025
Selected format:Interconnection and interoperation for textile equipment—Part 3Chemical fiber
Standard published on 28.2.2025
Selected format:Interconnection and interoperation for textile equipment—Part 4Knitting
Standard published on 28.2.2025
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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