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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
Code for construction and quality acceptance of immersed tunnel
Standard published on 25.10.2016
Selected format:Technical standard for ice and snow landscape buildings
Standard published on 1.1.2016
Selected format:Code for acceptance of construction quality of high-rising structures
Standard published on 25.10.2016
Selected format:Technical code for electromagnetic compatibility of electrical engineering of building
Standard published on 1.1.2016
Selected format:Code for design of PTA plant
Standard published on 25.10.2016
Selected format:Code for construction and quality acceptance of solar cell manufacturing equipment installation engineering
Standard published on 25.10.2016
Selected format:Standard for preparing of design documents for iron and steel project
Standard published on 25.10.2016
Selected format:Code of design on plant of producing man-made town gas
Standard published on 25.10.2016
Selected format:Code for design of light emitting diode plant
Standard published on 24.10.2016
Selected format:Methods for chemical analysis of copper and copper alloys - Part 1:Determination of copper content
Standard published on 17.6.2008
Selected format:Latest update: 2026-07-03 (Number of items: 2 286 013)
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