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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 the energy consumption per unit product of iron ore dressing
WITHDRAWN published on 31.12.2014
Selected format:The norm of energy consumption per unit products of silicon metal
WITHDRAWN published on 31.12.2014
Selected format:The norm of energy consumption per unit products of aluminium and aluminium alloy wire stocks and wires
WITHDRAWN published on 31.12.2014
Selected format:Copper-beryllium alloy wires
WITHDRAWN published on 28.5.1982
Selected format:The norm of energy consumption per unit products of tungsten concentrates
WITHDRAWN published on 31.12.2014
Selected format:Technical requirements of commercial purity beryllium oxide powder
WITHDRAWN published on 28.5.1982
Selected format:Technical requirements of tantalum powder for capacitors
WITHDRAWN published on 1.1.1982
Selected format:Tantalum powders
WITHDRAWN published on 17.10.1995
Selected format:Core metadata for fixed asset
WITHDRAWN published on 4.2.2015
Selected format:Testing method of electrical property of tantalum powder for capacitor
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-03-10 (Number of items: 2 265 346)
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