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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
Determination of harmful substances in textile dyeing and finishing auxiliaries—Part 2:Determination of perfluorooctane sulfonates and perfluorooctanoicacid—HPLC-MS/MS method
WITHDRAWN published on 7.2.2013
Selected format:Determination of harmful substances in textile dyeing and finishing auxiliaries—Part 3:Determination of organotins—GC/MS method
WITHDRAWN published on 7.2.2013
Selected format:Determination of harmful substances in textile dyeing and finishing auxiliaries—Part 4:Determination of polycyclic aromatic hydrocarbons—GC/MS method
WITHDRAWN published on 7.2.2013
Selected format:Determination of harmful substances in textile dyeing and finishing auxiliaries—Part 9:Determination of acrylamide
WITHDRAWN published on 8.7.2014
Selected format:Emission standard of air pollutants for electronic glass industry
WITHDRAWN published on 7.5.2013
Selected format:Control & communication network CC-Link Safety specification—Part 1:Overview/Protocol
WITHDRAWN published on 19.7.2013
Selected format:Control & communication network CC-Link Safety specification—Part 2:Profiles
WITHDRAWN published on 19.7.2013
Selected format:Control & communication network CC-Link Safety specification—Part 3:Implementation
WITHDRAWN published on 19.7.2013
Selected format:High-flash aromatic naphthas
WITHDRAWN published on 7.5.2013
Selected format:Wood windows and doors
WITHDRAWN published on 7.5.2013
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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