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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
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WITHDRAWN published on 1.1.1988
Selected format:Mica paper
WITHDRAWN published on 21.12.1998
Selected format:The design guide of the outline and structurefor the electric control equipment
WITHDRAWN published on 22.12.1988
Selected format:The design guide of the outline and structure for the electric control equipment
WITHDRAWN published on 16.6.2011
Selected format:Coating for optical element--Edge filter coating
WITHDRAWN published on 1.1.1988
Selected format:Determination of erucic acid in the oil of rapeseed--Gas chromatographic method
WITHDRAWN published on 1.1.1988
Selected format:Lock washers with angular upturn tab in line to the lug
WITHDRAWN published on 13.10.1976
Selected format:Sensory analysis—Methodology—General guidance
WITHDRAWN published on 22.12.1988
Selected format:Sensory analysis-Vocabulary
WITHDRAWN published on 16.2.1998
Selected format:Sensory analysis—Vocabulary
WITHDRAWN published on 29.6.2012
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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