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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WITHDRAWN published on 1.1.1981
Selected format:Bar code in dispatch unit
WITHDRAWN published on 26.5.1997
Selected format:Standard representation of latitude, longitude and altitude for geographic point locations
WITHDRAWN published on 26.5.1997
Selected format:Forms design—Basic layout
WITHDRAWN published on 26.5.1997
Selected format:Electronic data interchange for administration, commerce and transport (EDIFACT)--code list
WITHDRAWN published on 26.5.1997
Selected format:Electronic data interchange for administration,commerce and transport(EDIFACT)—Code lists
WITHDRAWN published on 18.7.2002
Selected format:EDIFACT Rules for presentation of standardidized message and directories documentation
WITHDRAWN published on 26.5.1997
Selected format:General requirements of safety design for measuring relays and protection equipment
WITHDRAWN published on 3.6.1997
Selected format:General requirements of safety design for measuring relays and protection equipment
WITHDRAWN published on 9.10.2003
Selected format:Safety requirements for switched and fused portable multiple socket-outlet without interlock for household and similar purposes
WITHDRAWN published on 3.6.1997
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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