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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
Maize for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Kaollang (sorghum) for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Paddy for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Wheat for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Barley (Hordeum vulgare L.) for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Wheat bran for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Cassava (dry flakes) for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Test method for water vapor transmission of plastic film and sheet—Cup method
WITHDRAWN published on 14.6.1988
Selected format:Sweet potato (dry flakes)for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Rice bran for feedstuffs
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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