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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
Plugs and socket-outlets for household and similar purposes—Part 2-7:Particular requirements for cord extension sets
WITHDRAWN published on 13.10.2015
Selected format:Thyristor valves for high voltage direct current(HVDC)power transmission—Part 1:Electrical testing
WITHDRAWN published on 21.6.2007
Selected format:Personal protective equipment - Test methods for footwear
WITHDRAWN published on 26.6.2007
Selected format:DC filter capacitors for HVDC transmission systems
WITHDRAWN published on 21.6.2007
Selected format:Power electronics for electrical transmission and distribution systems—Testing of thyristor valves for static VAR compensators
WITHDRAWN published on 21.6.2007
Selected format:Performance of high-voltage direct current (HVDC) systems—Part 1:Steady-state conditions
WITHDRAWN published on 21.6.2007
Selected format:Performance of high-voltage direct current(HVDC)systems—Part 2:Faults and switching
WITHDRAWN published on 21.6.2007
Selected format:Performance of high-voltage direct current (HVDC)systems—Part 3:Dynamic conditions
WITHDRAWN published on 21.6.2007
Selected format:Limits of fuel consumption for light duty commercial vehicles
WITHDRAWN published on 19.7.2007
Selected format:Limits of fuel consumption for light duty commercial vehicles
WITHDRAWN published on 31.12.2015
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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