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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
Code for construction and acceptance of mine preparation equipment installation engineering
Standard published on 13.7.2014
Selected format:Code for construction and acceptance of process gas piping in uranium enrichment plant
Standard published on 13.7.2014
Selected format:Code for design of uranium conversion facility
Standard published on 13.7.2014
Selected format:Code for geotechnical engineering investigation of cement plant
Standard published on 13.7.2014
Selected format:Code for design of sea dike project
Standard published on 13.7.2014
Selected format:Technical code for non-coal open-pitmine slope engineering
Standard published on 13.7.2014
Selected format:Technical code for lightning protection engineering of ancient buildings
Standard published on 4.8.2014
Selected format:Code for design of soil and water conservation engineering
Standard published on 1.1.2014
Selected format:Code for design of pipe racks and pipe sleepers in chemical and petrochemical industry
Standard published on 13.7.2014
Selected format:Broaches for involute spline--Technical specifications
Standard published on 10.2.2004
Selected format:Latest update: 2026-07-03 (Number of items: 2 286 013)
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