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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
Tensile test methods on weld and deposited metal
WITHDRAWN published on 31.3.2008
Selected format:Calcium chloride for industrial use
WITHDRAWN published on 12.5.2011
Selected format:Nickel carbonate for industrial use
WITHDRAWN published on 12.5.2011
Selected format:Refined cobaltous sulfates
WITHDRAWN published on 12.5.2011
Selected format:Refined nickel sulfates
WITHDRAWN published on 12.5.2011
Selected format:Refined cobaltous chloride
WITHDRAWN published on 12.5.2011
Selected format:Silicone defoaming agent
WITHDRAWN published on 12.5.2011
Selected format:Methods of bend and compression tests for welded joint
WITHDRAWN published on 8.5.1989
Selected format:Technical regulations for setting apart sand area for Armeniaca sibirica growing
WITHDRAWN published on 16.6.2011
Selected format:Bamboo strip
WITHDRAWN published on 16.6.2011
Selected format:Latest update: 2026-03-26 (Number of items: 2 269 551)
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