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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
Sealants—Determination of surface cure time
Standard published on 28.1.2026
Selected format:Guidelines for the Construction Evaluation of Park City
Standard published on 28.1.2026
Selected format:Classification for intelligent operations of mobile mining machinery
Standard published on 28.1.2026
Selected format:Stability evaluation of active magnetic bearings
Standard published on 28.1.2026
Selected format:Continuous surface miners—Safety requirements
Standard published on 28.1.2026
Selected format:Mining—Air quality control systems for operator enclosures—Performance requirements and test methods
Standard published on 28.1.2026
Selected format:Underground mining machines—Mobile extracting machines at the face—Safety requirements for shearer loaders and plough systems
Standard published on 28.1.2026
Selected format:Inspection methods for active magnetic bearing stators
Standard published on 28.1.2026
Selected format:Networked collaborative manufacturing for metallurgical equipments—General technical requirements
Standard published on 28.1.2026
Selected format:Testing method for determination of thermal stability of organic heat transfer fluids—Gas chromatography with internal standard method
Standard published on 28.1.2026
Selected format:Latest update: 2026-11-09 (Number of items: 2 209 259)
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