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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
General specification for AC servomotors
Standard published on 11.9.2015
Selected format:General requirements for electrical machine for automatic control system
Standard published on 30.6.2008
Selected format:Basic outline constructional type for control motors and feedback components
Standard published on 15.5.2015
Selected format:The standard spectrum of Chinese speech
Standard published on 2.3.1987
Selected format:Standard spectrum of whispered Chinese speech
Standard published on 29.12.2017
Selected format:Methods of measur ement of radio interference from high voltage overhead power transmission line and substation
Standard published on 4.1.2002
Selected format:Waterproof packaging
Standard published on 10.9.1999
Selected format:Fiber grade polyvinyl alcohol resins
Standard published on 17.12.2013
Selected format:Electrical measuring systems and instruments utilizing ionizing radiation source
Standard published on 2.7.2008
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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