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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
Fire-resistance tests - Elements of building construction - Part 9: Specific requirements for non-loadbearing ceiling elements
Standard published on 26.6.2008
Selected format:Guide rule of test for mechanical properties of fiber-reinforced plastics at elevated and reduced temperatures
Standard published on 18.5.2005
Selected format:Hygienic specification for rural residential buildings
Standard published on 25.4.2025
Selected format:Industrial sodium tripolyphosphate
Standard published on 15.3.2004
Selected format:
Industrial sodium tripolyphosphate
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Test methods for industrial sodium tripolyphosphate
Standard published on 28.5.2008
Selected format:Detergents for hand dishwashing
Standard published on 30.12.2022
Selected format:Glass contains - Manufacture - Vocabulary
Standard published on 30.12.2011
Selected format:Test method for alkali resistance of porcelain enamels
Standard published on 31.10.2025
Selected format:Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 1: Determination of resistance to chemical corrosion by acids at room temperature
Standard published on 9.10.2015
Selected format:Latest update: 2026-10-05 (Number of items: 2 304 304)
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