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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
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WITHDRAWN published on 12.5.2011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WITHDRAWN published on 12.5.2011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WITHDRAWN published on 12.5.2011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WITHDRAWN published on 8.5.1989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WITHDRAWN published on 16.6.2011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WITHDRAWN published on 16.6.2011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:Methods of hardness tests for welded joint and surfacing metal
WITHDRAWN published on 8.5.1989
Selected format:EPS board with metal network for exterior insulation and finish systems
WITHDRAWN published on 16.6.2011
Selected format:Hand-held portable power tools—Test methods for evaluation of vibration emission—Part 5: Drills and impact drills
WITHDRAWN published on 12.5.2017
Selected format:Method of strain-age sensibility test for welded joint
WITHDRAWN published on 8.5.1989
Selected format:Latest update: 2026-04-17 (Number of items: 2 274 270)
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