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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
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:Chemical reagent—Cyclohexane
Standard published on 9.10.2015
Selected format:VHS video cassette tape
Standard published on 24.4.1993
Selected format:Measuring methods for non-broadcast video tape properties
Standard published on 1.8.2025
Selected format:Classification and accreditation for star-rated tourist hotels
Standard published on 27.11.2023
Selected format:The test method for compressive strength of carbon materials
Standard published on 4.6.2019
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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