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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
Testing method for flexibility of sole of rubber shoes
WITHDRAWN published on 1.1.1983
Selected format:Mechanical pencils for technical drawings-Part 1:Classification, dimensions, performance requirements and testing
WITHDRAWN published on 21.7.2020
Selected format:Mechanical pencils for technical drawings-Part 2: Black leads-Classification and dimensions
WITHDRAWN published on 21.7.2020
Selected format:Mechanical pencils for technical drawings-Part 3: Black leads-Bending strengths of HB leads
WITHDRAWN published on 21.7.2020
Selected format:Paper cutter
WITHDRAWN published on 1.1.1983
Selected format:Writing and marking instruments—Specification for caps to reduce the risk of asphyxiation
WITHDRAWN published on 21.7.2020
Selected format:Test method for peeling strength of leather shoes
WITHDRAWN published on 1.1.1983
Selected format:General test method for footwear—Test method of flexing resistance
WITHDRAWN published on 17.11.1994
Selected format:Footwear—General test methods—Flexing resistance
WITHDRAWN published on 30.12.2008
Selected format:Footwear—Test methods for outsoles—Tear strength
WITHDRAWN published on 15.9.2005
Selected format:Latest update: 2025-12-05 (Number of items: 2 248 732)
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