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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 seismic design of railway emgineering
Standard published on 19.6.2006
Selected format:Technical code for buildings in expansive soil regions
Standard published on 25.12.2012
Selected format:Technical code of slipform engineering
Standard published on 24.5.2019
Selected format:Standard for heating,ventilation and air conditioning drawing
Standard published on 18.8.2010
Selected format:Code for design of industrial television system
Standard published on 12.8.2019
Selected format:Code for design of automatic fire alarm system
Standard published on 6.9.2013
Selected format:Standard for seismic appraisal of special structures
Standard published on 16.5.2014
Selected format:Code for design of sound insulation of civil buildings
Standard published on 18.8.2010
Selected format:Code for concrete admixture application
Standard published on 8.8.2013
Selected format:Latest update: 2026-10-29 (Number of items: 2 208 109)
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