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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
O-rings for stainless steel press-fittings
WITHDRAWN published on 10.7.2003
Selected format:Desulphurization equipment of coal burning flue gas
WITHDRAWN published on 1.7.2003
Selected format:Coal-fired flue gas desulphurization equipment - Part 2: Coal-fired dry/semi-dry flue gas desulphurization equipment
WITHDRAWN published on 30.12.2011
Selected format:Test method for evaluating gasoline detergent in use--Part 1: Test method for rust-preventing characteristics of gasoline detergent
WITHDRAWN published on 1.7.2003
Selected format:Test method for evaluating gasoline detergent in use—Part 4:Test method for influence of induction system deposit(ISD)tendencies of gasoline detergent
WITHDRAWN published on 1.7.2003
Selected format:Fan-Coil unit
WITHDRAWN published on 1.7.2003
Selected format:Measurement methods of fuel consumption for light-duty vehicles
WITHDRAWN published on 1.7.2003
Selected format:Measurement methods of fuel consumption for light-duty vehicles
WITHDRAWN published on 3.2.2008
Selected format:Fueling nozzle for CNG dispenser
WITHDRAWN published on 1.7.2003
Selected format:Compressed natural gas dispenser for vehicle
WITHDRAWN published on 1.7.2003
Selected format:Latest update: 2026-11-14 (Number of items: 2 210 114)
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