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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
Electrical safety of machinery—Electrical equipment of machines—Part 34: Requirements for machine tools
Standard published on 28.4.2020
Selected format:Electrical safety of machineryElectrical equipment of machinesPart 6: Requirements for construction machinery
Standard published on 6.5.2014
Selected format:Electrical safety of machinery—Electrical equipment of machines—Part 7: Requirements of industrial robot
Standard published on 2.6.2020
Selected format:Electrodeposited copper foil for printed board
Standard published on 29.9.2020
Selected format:Designation and chemical composition of wrought copper and copper alloys
Standard published on 9.3.2022
Selected format:Designation and chemical composition of wrought nickel and nickel alloy
Standard published on 20.8.2021
Selected format:Aluminium alloy extruded profiles for architecture—Part 1Mill finish profiles
Standard published on 14.10.2017
Selected format:Wrought aluminium alloy extruded profiles for architecture—Part 2:Anodized profiles
Standard published on 14.10.2017
Selected format:Wrought aluminium alloy extruded profiles for architecture—Part 3Electrodeposition coating profiles
Standard published on 14.10.2017
Selected format:Wrought aluminium alloys extruded profiles for architecture—Part 4: Powder coating profiles
Standard published on 14.10.2017
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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