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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
Nuclear grade high efficiency particulate air filter
WITHDRAWN published on 19.6.2008
Selected format:Quality requirement for digital products of surveying and mapping—Part 1:Quality requirement for digital line topographic map,digital elevation model
WITHDRAWN published on 3.1.2000
Selected format:Specifications for the geodetic astronomy
WITHDRAWN published on 3.1.2000
Selected format:Specifications for the dense gravity measurement
WITHDRAWN published on 3.1.2000
Selected format:Fire emergency luminaries
WITHDRAWN published on 3.1.2000
Selected format:Fire emergency lighting and evacuate indicating system
WITHDRAWN published on 2.9.2010
Selected format:Shaoxing rice wine
WITHDRAWN published on 20.1.2000
Selected format:Activity measurements of solid materials considered for recycling re-use, or disposal as non-radioactive waste
WITHDRAWN published on 3.1.2000
Selected format:Functional evaluation of insulation systems for rotating electrical machines—General guidelines
WITHDRAWN published on 9.10.2003
Selected format:Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for wire-wound windings—Thermal evaluation and classification
WITHDRAWN published on 3.1.2000
Selected format:Latest update: 2026-04-30 (Number of items: 2 275 280)
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