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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
Information technology--Information Resource Dictionary System(IRDS) services interface
Standard published on 3.1.2000
Selected format:Information technology--Open Systems Interconnection--Network layer security protocol
Standard published on 3.1.2000
Selected format:Transformation guidelines of geographical names from foreign languages into Chinese—Part 20:Finnish
Standard published on 31.10.2025
Selected format:Information security technology—Modes of operation for a block cipher
Standard published on 11.10.2021
Selected format:Information technology--Open Systems Interconnection--Upper layers security model
Standard published on 3.1.2000
Selected format:Information technology—Microprocessor systems—Floating-point arithmetic
Standard published on 29.9.2024
Selected format:Information technology--Open Systems Interconnection--Basic reference model--Convention for the definition of OSI services
Standard published on 3.1.2000
Selected format:Information technology--Telecommunications and information exchange between systems--Elements of management information related to OSI Data Link Layerstandards
Standard published on 3.1.2000
Selected format:Information technology—Open systems interconnection—Procedures for the operation of OSI registration authorities—Part 1: General procedures and top arcs of the International Object Identifier tree
Standard published on 10.12.2015
Selected format:Information technology—Open systems interconnection—Procedures for the operation of OSI registration authorities—Part 3: Registration of object identifier arcs beneath the top-level arc jointly administered by ISO and ITU-T
Standard published on 31.10.2025
Selected format:Latest update: 2026-09-08 (Number of items: 2 300 134)
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