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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
Dimensional constraints for transport package
WITHDRAWN published on 9.7.1996
Selected format:Codes for types of cargo,packags and packaging materials
WITHDRAWN published on 9.7.1996
Selected format:Wrought aluminium and aluminium alloy—Designation system
WITHDRAWN published on 9.7.1996
Selected format:Temper designation system for wrought aluminium and aluminium alloy
WITHDRAWN published on 9.7.1996
Selected format:Temper designation system for wrought aluminium and aluminium alloy
WITHDRAWN published on 17.6.2008
Selected format:Temper designation system for wrought aluminum and aluminum alloy
WITHDRAWN published on 17.6.2008
Selected format:Scandium metal
WITHDRAWN published on 9.7.1996
Selected format:Scandium metal
WITHDRAWN published on 14.1.2011
Selected format:Methods for chemical analysis of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Determination of total rare earth content
WITHDRAWN published on 9.7.1996
Selected format:Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Part 1:Determination of total rare earth content
WITHDRAWN published on 14.1.2011
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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