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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 requirements of differential global navigation satellite system
Standard published on 10.5.2019
Selected format:Dynamic performance evaluation and test method for particular class vehicles and tracked machine
Standard published on 6.7.1998
Selected format:Fire resistance test methods of ventilation ducts
Standard published on 30.10.2009
Selected format:
Fire resistance test for structural ducts
Execute Date: october 2026
Standard published on 31.3.2026
Selected format:Fire indicating panel
Standard published on 29.7.2011
Selected format:Estimating the maximum service temperature of thermal insulation
Standard published on 11.9.2015
Selected format:Lightweight aggregates and its test methods - Part 1Lightweight aggregates
Standard published on 2.9.2010
Selected format:Lightweight aggregates and its test methods - Part 2: Test methods for lightweight aggregates
Standard published on 26.9.2010
Selected format:Methods of sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys
Standard published on 31.12.2012
Selected format:Foundation terms for chemical analysis of metallurgical products
Standard published on 27.3.2014
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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