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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 design of cables of electric engineering
Standard published on 8.2.2018
Selected format:Standard for engineering classification of rock masses
Standard published on 27.8.2014
Selected format:Technical code for water spray fire protection systems
Standard published on 9.10.2014
Selected format:Code for Fire Prevention in Design of Interior Decoration of Buildings
Standard published on 31.7.2017
Selected format:Standard for classification of seismic protection of building constructions
Standard published on 30.7.2008
Selected format:Code for acceptance of construction quality of anticorrosive engineering of buildings
Standard published on 8.11.2018
Selected format:Code for design of railway passenger station buildings
Standard published on 22.6.2007
Selected format:Code for design of installation of shunt capacitors
Standard published on 3.3.2017
Selected format:Standard for foundational terminology of engineering survey
Standard published on 26.7.2011
Selected format:Latest update: 2026-08-17 (Number of items: 2 297 400)
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