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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
China Standard Serial Numbering
Standard published on 14.11.2001
Selected format:China standard serial number—Part 1: China serial number
Standard published on 7.6.2018
Selected format:China standard serial number—Part 2:ISSN
Standard published on 15.3.2018
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Standard published on 30.4.2026
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Standard published on 30.4.2026
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Standard published on 30.4.2026
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Standard published on 30.4.2026
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WITHDRAWN published on 1.1.1980
Selected format:Building construction--Unified standards for construction
WITHDRAWN published on 1.1.1986
Selected format:Directives for standardization—Part 1:Rules for the structure and drafting of standards (ISO/IEC Directives, Part 3,1997,Rules for the structure and drafting of international standards, NEQ)
WITHDRAWN published on 20.12.2000
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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