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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
Pesticide—Guidelines for the field efficacy trials—Part 16: Insecticides against whiteflies in greenhouses
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Acaricides against spidermites on beans and vegetable
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 17: Acaricides against spider mites on beans and vegetable
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against striped flea beetle on crucifer vegetable
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 18: Insecticides against striped flea beetle on crucifer vegetable
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against leaf diseases for rice
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 19Fungicides against leaf diseases of rice
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Insecticides against rice leafroller
Standard published on 1.2.2000
Selected format:Pesticide—Guidelines for the field efficacy trials—Part 2: Insecticides against rice leaffolder
Standard published on 27.2.2026
Selected format:Pesticide--Guidelines for the field efficacy trials(I)--Fungicides against sheath blight of rice
Standard published on 1.2.2000
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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