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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
Technical code for solar heating system
Standard published on 24.5.2019
Selected format:Code for construction of mass concrete
Standard published on 25.4.2018
Selected format:Technical code for monitoring of building excavation engineering
Standard published on 22.11.2019
Selected format:Code for installation and acceptance of fixed fire monitor extinguishing systems
Standard published on 13.5.2009
Selected format:Code for design of bast textile mill
Standard published on 13.5.2009
Selected format:Determination of mercaptan-sulfur in engine fuels (ammonia-copper sulfate method)
Standard published on 20.1.1965
Selected format:Code of bills quantities and valuation for construction works
Standard published on 1.1.2024
Selected format:Code of valuation with bill quantity of water conservancy construction works
Standard published on 6.4.2007
Selected format:Code for construction organization plan of building engineering
Standard published on 13.5.2009
Selected format:Monitoring and control code for waste water of ordnance industry factory
Standard published on 31.3.2014
Selected format:Latest update: 2026-07-06 (Number of items: 2 286 164)
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