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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
Industrial liquid carbon dioxide
Standard published on 1.8.2025
Selected format:Test method for preparation and internal pressure testing of filament-wound pressure vessels
Standard published on 18.5.2005
Selected format:Chemical reagent--General method for the determination of water--Karl Fischer method
Standard published on 10.11.2003
Selected format:Surface roughness comparison specimen—Part 1: Casting surface
Standard published on 17.9.2018
Selected format:Roughness comparison specimens - Ground, turned, bored, milled, shaped and planed
Standard published on 5.2.2006
Selected format:Surface roughness comparison specimen Part 3Spark-erodedshot-blastedgrit-blastedlappedfiled and polished surface
Standard published on 28.2.2008
Selected format:Geometrical product specifications (GPS) - Surface texture: Profile method - Nominal characteristic of contact(stylus) instruments
Standard published on 16.3.2009
Selected format:Safety rules for lifting appliances - Part 1: General
Standard published on 26.9.2010
Selected format:Safety rules for lifting appliances—Part 1:General
Standard published on 26.9.2010
Selected format:Safety rules for lifting appliancesPart 5: Bridge and gantry cranes
Standard published on 3.9.2014
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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