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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
Determination of the gasoline octane number—Test method for motor octane number
Standard published on 14.6.2016
Selected format:unified standard for constructional quality acceptance of building engineering
Standard published on 1.11.2013
Selected format:Code for acceptance of construction quality ofelectrical installation in building
Standard published on 1.1.2015
Selected format:Code for geotechnical investigations of urban rail transit
Standard published on 21.1.2012
Selected format:Code for urban rail transit engineering survey
Standard published on 4.5.2017
Selected format:Code for quality inspection and acceptance of industrial furnaces building
Standard published on 27.9.2017
Selected format:Tower crane
Standard published on 30.8.2019
Selected format:Code for acceptance of construction quality oflifftsescalators and passenger conveyors
Standard published on 1.4.2002
Selected format:Code for engineering design of generic cabling system
Standard published on 26.8.2016
Selected format:Latest update: 2026-07-09 (Number of items: 2 286 317)
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