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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
Informationtechnology--Open systems interconnection--Structure of management information--Part 2:Definition of management information
Standard published on 25.12.1997
Selected format:Information technology--Open systems interconnection--Structure of management information--Part 4:Guidelines for the definition of managed objects
Standard published on 25.12.1997
Selected format:Information technology--Open systems interconnection--Application layer structure
Standard published on 25.12.1997
Selected format:Information technology--Open systems interconnection--Conformance testing methodology and framework--Part 1:General concepts
Standard published on 25.12.1997
Selected format:Information technology - Open systems interconnection - Conformance testing methodology and framework - Part2: Abstract test suite specification
Standard published on 14.1.2011
Selected format:Information technology - Open systems interconnection - Conformance testing methodology and framework - Part4: Test realization
Standard published on 14.1.2011
Selected format:Information technology - Open systems interconnection - Conformance testing methodology and framework - Part 5: Requirement on test laboratories and clients for the conformance assessment process
Standard published on 30.12.2011
Selected format:Information technology - Open system interconnection - Conformance testing methodology and framework - Part 6: Protocol profile test specification
Standard published on 14.1.2011
Selected format:Information technology - Open systems interconnection - Conformance testing methodology and framework - Part 7: Implementation conformance statements
Standard published on 30.12.2011
Selected format:Information technology - Protocol for providing - The connectionless-mode network service - Part 1:Protocol specification
Standard published on 19.8.2008
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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