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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
Test method for thermal shock resistance of ceramic tiles
WITHDRAWN published on 1.1.1993
Selected format:Dyes—General rules for logo,tag,packing,transportation,storage of products
WITHDRAWN published on 23.12.2010
Selected format:Cyanuric chloride
WITHDRAWN published on 23.12.2010
Selected format:Liquid reactive black PWF
WITHDRAWN published on 23.12.2010
Selected format:Test method for bending strength of glazed ceramic tile
WITHDRAWN published on 1.1.1981
Selected format:Steel strips for packing
WITHDRAWN published on 23.12.2010
Selected format:Steel strip for packing
WITHDRAWN published on 14.5.2018
Selected format:Stainless steel wire strand
WITHDRAWN published on 23.12.2010
Selected format:Epoxy-coated steel for the reinforcement of concrete
WITHDRAWN published on 23.12.2010
Selected format:General specification of superalloy plates and strips
WITHDRAWN published on 23.12.2010
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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