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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
Directives for standardization—Part 2:Methodology for the content of normative technical elements in standards
WITHDRAWN published on 20.6.2002
Selected format:Directives for work of standardization Unit2:Methodology for the development of standards Part22:Rule of "reference to standards"
WITHDRAWN published on 7.12.1993
Selected format:Directives for the work of standardization--Unit 1: Drafting and presentation of standards--Part 3: Rules for drafting product standards
WITHDRAWN published on 12.5.1997
Selected format:Directives for the work of standardization--Rules for drafting chemical analysis standards
WITHDRAWN published on 1.1.1988
Selected format:Directives for the work of standardization--Rules for drafting symbol and codes standards
WITHDRAWN published on 1.1.1988
Selected format:Directives for the work of standardization--Unit 1: Drafting and presentation of standards--Part 6: Preparation and layout for terminology standards
WITHDRAWN published on 1.1.1997
Selected format:Directives for the work of standardization--Rules for drafting product package standards
WITHDRAWN published on 1.1.1988
Selected format:Directives for the work of standardization--Rules for drafting occupational safety and health standards
WITHDRAWN published on 22.2.1989
Selected format:Flat countersunk square neck bolts
WITHDRAWN published on 24.6.1988
Selected format:Specifcations for Design of concrete structures
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-07-24 (Number of items: 2 290 214)
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