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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
Electrical insulating materials—Determination of the effects of ionizing radiation—Part 4:Procedures for assessment of ageing in service
WITHDRAWN published on 14.1.2011
Selected format:Tannins from red bayberry
WITHDRAWN published on 1.1.1981
Selected format:Super calendered paper
WITHDRAWN published on 14.1.2011
Selected format:Kitchen towel
WITHDRAWN published on 14.1.2011
Selected format:Soymilk maker
WITHDRAWN published on 14.1.2011
Selected format:Tannins from citrus fruit
WITHDRAWN published on 1.1.1981
Selected format:Household and similar healthful massage chair
WITHDRAWN published on 14.1.2011
Selected format:Household and similar multi-function ceiling appliances
WITHDRAWN published on 14.1.2011
Selected format:Instantaneous water heater
WITHDRAWN published on 14.1.2011
Selected format:Cold cathode fluorescent lamps service—Performance requirements
WITHDRAWN published on 14.1.2011
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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