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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
Casting magnesium alloys
WITHDRAWN published on 5.1.1991
Selected format:Technical demand for the cultivation of grass carp as parents
WITHDRAWN published on 1.1.1989
Selected format:Technical demand for the induced spawning of grass carp as parents
WITHDRAWN published on 1.1.1989
Selected format:Prawn crackers
WITHDRAWN published on 1.1.1989
Selected format:Ova of amur sturgeon and huso sturgeon
WITHDRAWN published on 1.1.1989
Selected format:Technical demand for the cultivation of black carp as parents
WITHDRAWN published on 1.1.1989
Selected format:Technical demand for the induced spawning of black carp as parents
WITHDRAWN published on 1.1.1989
Selected format:Standards for quality of grass carp fry and fingerling
WITHDRAWN published on 6.11.1989
Selected format:Standards for quality of silver carp fry and fingerling
WITHDRAWN published on 6.11.1989
Selected format:Standards for quality of bighead carp fry and fingerling
WITHDRAWN published on 6.11.1989
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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