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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
Visibility conditions for driver""s cabs of locomotives
WITHDRAWN published on 3.1.2000
Selected format:Formula feed for starter and finisher swine
WITHDRAWN published on 16.2.1993
Selected format:Formula feeds for starter and growing-finishing pigs
WITHDRAWN published on 4.11.2008
Selected format:Formula feed for replacament pullets, layers and broilers
WITHDRAWN published on 16.2.1993
Selected format:Formula feeds for replacement pullets,layers and broilers
WITHDRAWN published on 9.6.2004
Selected format:Formula feeds for replacement pullets,layers and broilers
WITHDRAWN published on 21.11.2008
Selected format:Determination for formula feed particle size
WITHDRAWN published on 5.3.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Determination of mixing homogeneity for formula feed
WITHDRAWN published on 31.3.1997
Selected format:Category and designation of lighting and light signalling devices for motor vehicles
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-04-26 (Number of items: 2 274 794)
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