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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
Method of physical-chemical inspection for preserved fruit food
WITHDRAWN published on 7.11.1989
Selected format:Connecting rods bushing boring machine
WITHDRAWN published on 1.1.1989
Selected format:Cylinder bushing boring machine
WITHDRAWN published on 1.1.1989
Selected format:Machine for cutting friction lining of brake shoe
WITHDRAWN published on 1.1.1989
Selected format:Marine axial flow fans
WITHDRAWN published on 2.12.1989
Selected format:Marine centrifugal fans
WITHDRAWN published on 2.12.1989
Selected format:Marine centrifugal backward-curved blade fans
WITHDRAWN published on 2.12.1989
Selected format:Specifications for lifeboats shafting
WITHDRAWN published on 1.1.1989
Selected format:Diesel engine set for lifeboats
WITHDRAWN published on 1.1.1989
Selected format:Diesel engine set for lifeboats
WITHDRAWN published on 25.4.1996
Selected format:Latest update: 2026-03-01 (Number of items: 2 263 721)
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