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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 total nitrogen content for organic-inorganic compound fertilizers
WITHDRAWN published on 8.6.1999
Selected format:Determination of total phosphorus content for organic-inorganic compound fertilizers
WITHDRAWN published on 8.6.1999
Selected format:Determination of total potassium content for organic-inorganic compound fertilizer
WITHDRAWN published on 8.6.1999
Selected format:Management of unit load device for air transport
WITHDRAWN published on 11.6.1999
Selected format:Superfine palladium powder
WITHDRAWN published on 1.1.1988
Selected format:Superfine palladium powder
WITHDRAWN published on 17.10.1995
Selected format:Superfine palladium powder
WITHDRAWN published on 5.1.2009
Selected format:Earth-moving machinery—Falling-object protective structures—Laboratory tests and performance requirements
WITHDRAWN published on 14.6.1999
Selected format:Earth-moving machinery—Laboratory evaluations of protective structures—Specifications for deflection-limiting volume
WITHDRAWN published on 14.6.1999
Selected format:Standard of rating for quality of tourist attractions
WITHDRAWN published on 14.6.1999
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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