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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
Technical requirement of energy consumption evaluation for cement manufacturing
WITHDRAWN published on 12.5.2017
Selected format:Technical regulation of energy consumption test for cement manufacturing
WITHDRAWN published on 12.5.2017
Selected format:Energy consumption test and calculation method for oilfield production system
WITHDRAWN published on 12.5.2017
Selected format:Thermal comfort requirements and evaluation for indoor environment
WITHDRAWN published on 12.5.2017
Selected format:Test method for volume content of fiber of carbon fiber reinforced plastics by microscopy
WITHDRAWN published on 1.1.1982
Selected format:Test method for fiber volume content of carbon fiber reinforced plastics
WITHDRAWN published on 26.9.1996
Selected format:Technical requirements and detecting method of audio and video programfor digital publication
WITHDRAWN published on 12.5.2017
Selected format:Glossary of terms for railway locomotive Names of component parts for diesel engine
WITHDRAWN published on 25.10.2000
Selected format:Glossary of terms for railway locomotives--Nomenclature of electric traction equipments
WITHDRAWN published on 1.1.1984
Selected format:Glossary of terms for railway locomotive. Terms of steam locomotive
WITHDRAWN published on 3.3.1986
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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