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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
Adjustable speed electrical power drive systems—Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters
Standard published on 9.3.2021
Selected format:General specification for cascade speed control assembly with semiconductor converter
Standard published on 29.6.2012
Selected format:Chemical reagent - Sodium dihydrogen phosphate dihydrate
Standard published on 30.12.2011
Selected format:Polypropylene (PP) resin
Standard published on 26.2.2008
Selected format:Polystyrene (PS) resin
Standard published on 4.8.2008
Selected format:Acrylonitrile-butadiene-styrene(ABS) resin
Standard published on 17.7.2009
Selected format:
Acrylonitrile-butadiene-styrene (ABS) resin
Execute Date: july 2026
Standard published on 2.12.2025
Selected format:Motor vehicle main dimensions measurement method
Standard published on 18.10.2019
Selected format:Motor vehicles,trailers and combination vehicles mass parameters measurement method
Standard published on 28.5.2024
Selected format:Technical requirements and testing methods for commercial vehicle and trailer braking systems
Standard published on 10.10.2014
Selected format:Latest update: 2026-03-29 (Number of items: 2 269 691)
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