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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
Pure culture of Agaricus bisporus
Standard published on 4.6.2003
Selected format:
Spawn of Agaricus bisporus
Execute Date: may 2027
Standard published on 30.4.2026
Selected format:Pure culture of Pleurotus ostreatus
Standard published on 4.6.2003
Selected format:
Spawn of oyster mushrooms
Execute Date: may 2027
Standard published on 30.4.2026
Selected format:Seed and sapling of mulberry
Standard published on 14.1.2011
Selected format:Kiwifruit nursery plants
Standard published on 14.1.2011
Selected format:Peach nursery plants
Standard published on 14.1.2011
Selected format:Sugar beet seed
Standard published on 14.1.2011
Selected format:Test code for seed and sapling of mulberry
Standard published on 4.6.2003
Selected format:Testing rules for parent eggs of silkworm (Bombyx mori)
Standard published on 4.6.2003
Selected format:Latest update: 2026-09-24 (Number of items: 2 302 501)
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