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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
Electro-optic crystals
Execute Date: december 2026
Standard published on 25.5.2026
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Digital printing materials—Positive thermal CTP plates—Test of the imaging performance parameters
Execute Date: december 2026
Standard published on 25.5.2026
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Recycled gold raw materials
Execute Date: december 2026
Standard published on 25.5.2026
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Liquid silicone rubber gloves
Execute Date: december 2026
Standard published on 25.5.2026
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Welded steel tubes for high-pressure oil tubing of engineering machinery
Execute Date: december 2026
Standard published on 25.5.2026
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Pharmaceutical equipment—General technical requirements for bioreactor
Execute Date: december 2026
Standard published on 25.5.2026
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Micro-nano iron powder
Execute Date: december 2026
Standard published on 25.5.2026
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Determination of nitrate content in waste liquidwater—Volumetric method
Execute Date: february 2027
Standard published on 2.7.2026
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Continuous fibre-reinforced ceramic matrix composites—Test method for in-plane shear strength at elevated temperature
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Codes for family relationship
Standard published on 6.8.2008
Selected format:Latest update: 2026-07-15 (Number of items: 2 287 995)
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