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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
Reactive dyes—Determination of shade and relative strength—Low salt dyeing method
WITHDRAWN published on 31.5.2017
Selected format:Interoffice direct signalling system for telephone automatic switching network
WITHDRAWN published on 29.12.1982
Selected format:General requirement of thermoplastic starch
WITHDRAWN published on 31.5.2017
Selected format:Bio-polyester drum-linkage bags
WITHDRAWN published on 31.5.2017
Selected format:Methanol for industrial use
WITHDRAWN published on 28.9.1992
Selected format:Methanol for industrial use
WITHDRAWN published on 29.11.2004
Selected format:Potassium humate for agricultural use
WITHDRAWN published on 31.5.2017
Selected format:Specifications of interworking for group 1 facsimile apparatus used in telephone network
WITHDRAWN published on 1.1.1982
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Technical requirements for group 3 facsimile apparatus used in public telephone network
WITHDRAWN published on 1.1.1993
Selected format:Latest update: 2026-03-26 (Number of items: 2 269 551)
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