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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
Determination of corrosion inhibition performance of water treatment agents—Rotation specimen method
WITHDRAWN published on 31.7.2000
Selected format:Limits and measurement methods for emissions of pollutants from mopeds
WITHDRAWN published on 21.8.2000
Selected format:Limits and measurement methods for exhaust emissions from mopeds under running mode
WITHDRAWN published on 18.11.2002
Selected format:Limits and measurement methods for emissions of pollutants from mopeds on the running mode(CHINA stage III)
WITHDRAWN published on 3.4.2007
Selected format:Gas nitriding of steel parts
WITHDRAWN published on 28.8.2000
Selected format:Metallic materials—Rockwell superficial hardness test
WITHDRAWN published on 26.9.1994
Selected format:The requirements for the safe operation of liquefied gas tanker
WITHDRAWN published on 28.8.2000
Selected format:The requirements for the safety operation of gas carrier
WITHDRAWN published on 14.1.2011
Selected format:Dimensions series of cargo carrier(train)passing the lock of three Gorges Dam
WITHDRAWN published on 28.8.2000
Selected format:Dimensions series of cargo carrier(train) passing the lock of Three Gorges Dam
WITHDRAWN published on 14.1.2011
Selected format:Latest update: 2024-09-25 (Number of items: 2 350 354)
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