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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
Terminology for non-broadcasting television
WITHDRAWN published on 23.1.1995
Selected format:Graphic technology--Sheet-fed printing machines--Range of sizes
WITHDRAWN published on 23.1.1995
Selected format:Fundamental technical requirements for hydraulic turbines
WITHDRAWN published on 27.1.1995
Selected format:Fundamental technical requirements for hydraulic turbines
WITHDRAWN published on 6.3.2006
Selected format:Cavitation pitting evaluation in reaction hydraulic turbines
WITHDRAWN published on 27.1.1995
Selected format:Pulps—Determination of permanganate number
WITHDRAWN published on 29.4.1979
Selected format:Non-thermal storage electrical room heaters
WITHDRAWN published on 27.1.1995
Selected format:General specification and test method for logic analyzers
WITHDRAWN published on 27.1.1995
Selected format:Generic specification and test method for distortion meters
WITHDRAWN published on 27.1.1995
Selected format:Qualification of class 1E static battery chargers and inverters for nuclear power plants
WITHDRAWN published on 27.1.1995
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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