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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
Image information management system for public traffic network—Platform networking and sharing—Part 2:Video format and coding
WITHDRAWN published on 30.12.2011
Selected format:Image information management system for highway network—Platform networking and sharing—Part 3:Interface and communication protocol
WITHDRAWN published on 30.12.2011
Selected format:Image information management system for highway network—Platform networking and sharing—Part 4:User and equipment management
WITHDRAWN published on 30.12.2011
Selected format:Detection of Candidatus Liberibacter asiaticus using the real-time fluorescent PCR
WITHDRAWN published on 30.12.2011
Selected format:Detection and identification of Sinoxylon anale Lesne
WITHDRAWN published on 30.12.2011
Selected format:Representation of calendar dates in all-numeric form
WITHDRAWN published on 1.1.1981
Selected format:Representation of time of the day for information interchange
WITHDRAWN published on 1.1.1981
Selected format:Detection and identification of Iva xanthifolia Nutt.
WITHDRAWN published on 30.12.2011
Selected format:Rolling bearings--Self-aligning ball bearings--Boundary dimensions
WITHDRAWN published on 1.1.1984
Selected format:Rolling bearings—Self-aligning ball bearings—Boundary dimensions
WITHDRAWN published on 27.12.1994
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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