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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 of surface coal mine engineering
Standard published on 9.1.2014
Selected format:Non-destructive testing—Penetrant testing and magnetic particle testing—Viewing conditions
Standard published on 21.7.2020
Selected format:Code for design of open-pit mining engineering in decoration stone mine
Standard published on 29.1.2014
Selected format:Code for installation and quality acceptance of power generating by remain energy mechanical equipment in iron industry
Standard published on 29.1.2014
Selected format:Code for construction and quality acceptance of circulating fluidized-bed boiler
Standard published on 29.1.2014
Selected format:Code for construction and quality acceptance of gas trubine of combined cycle unit
Standard published on 29.1.2014
Selected format:Code of design on fire protection water supply and hydrant systems
Standard published on 29.1.2014
Selected format:Code for construction and acceptance of process water piping in uranium enrichment plant
Standard published on 31.3.2014
Selected format:Code for Installation and Acceptance of Protection Equipment and Secondary Circuit in Infrastructure Project
Standard published on 31.3.2014
Selected format:Code for design of water saving in chemical engineering
Standard published on 31.3.2014
Selected format:Latest update: 2026-10-26 (Number of items: 2 208 060)
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