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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
Air filter
Standard published on 4.6.2019
Selected format:Air cooling and air heating coils
Standard published on 4.11.2008
Selected format:Helical end mills with indexable inserts
Standard published on 3.6.2008
Selected format:Spiral flute drill with indexable inserts
Standard published on 26.7.2007
Selected format:Ripping logs
Standard published on 29.12.2017
Selected format:Course development guide for education about standardization—Elderly care service standardization
Standard published on 3.12.2025
Selected format:Straight flute drill with indexable inserts
Standard published on 26.7.2007
Selected format:Solid carbide slitting cutters
Standard published on 4.11.2008
Selected format:Wookworking machines - Single blade circular saw benches with or without travelling table - Nomenclature and acceptance conditions
Standard published on 11.8.2008
Selected format:Sizes for wollen suits
Standard published on 18.10.2019
Selected format:Latest update: 2026-08-11 (Number of items: 2 292 404)
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