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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
The norm of energy consumption per unit products of copper and copper-alloy sheet,strip,foil
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption per unit product of copper and copper-alloy rod and bar
WITHDRAWN published on 31.12.2012
Selected format:The norm of the power consumption per unit product of coal washing
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption per unit products of polysilicon enterprise
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption per unit production of titanium and titanium alloy ingots
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption for per unit product of tyre
WITHDRAWN published on 31.12.2012
Selected format:Ammonium nitrate
WITHDRAWN published on 31.3.1989
Selected format:The norm of energy consumption per unit product of cast stone
WITHDRAWN published on 31.12.2012
Selected format:Energy management systems—Implementation guidance
WITHDRAWN published on 31.12.2012
Selected format:Requirements and test methods for LED screen in sports venues
WITHDRAWN published on 31.12.2012
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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