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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
Orange smoke signal for ships
WITHDRAWN published on 22.5.1991
Selected format:Marine red hand flare
WITHDRAWN published on 22.5.1991
Selected format:Specification for low temperature warehousing operations
WITHDRAWN published on 22.12.2014
Selected format:Service specification of cold chain logistics for aquatic products
WITHDRAWN published on 22.12.2014
Selected format:Plastic box pallets
WITHDRAWN published on 22.12.2014
Selected format:Auditing rules for exhibition statistics
WITHDRAWN published on 22.12.2014
Selected format:Requirements and ability evaluation indicator of cold chain services for logistics enterprises
WITHDRAWN published on 22.12.2014
Selected format:Copper wires
WITHDRAWN published on 1.1.1982
Selected format:Monocrystalline sapphire ingot
WITHDRAWN published on 22.12.2014
Selected format:Insulation co-ordination for high voltage transmission and distribution equipment
WITHDRAWN published on 3.7.1997
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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