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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
Fiber cement corrugated sheets and ridge tile
Standard published on 9.3.2009
Selected format:Sacks for packing cement
Standard published on 29.9.2020
Selected format:Gypsum plasterboard
Standard published on 30.6.2025
Selected format:Calcined gypsum
Standard published on 30.12.2022
Selected format:Multi-layer coatings for architecture
Standard published on 11.9.2015
Selected format:Test method for dirt pickup resistance and stain remvoal of film of architectural coatings and paint
Standard published on 27.11.2013
Selected format:Chains,sprockets and accessories - List of equivalent terms
Standard published on 18.4.2007
Selected format:Industrial detonating cord
Standard published on 15.5.2015
Selected format:Metallic and other non-organic coatings - Sulfur dioxide test with general condensation of moisture
Standard published on 19.6.2008
Selected format:Metallic materials—Vickers and Knoop microhardness tests of metallic and other inorganic coatings
Standard published on 30.4.2021
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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