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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
Recommended brazing procedure specification for copper and copper alloys
Standard published on 27.11.2023
Selected format:Gas welding equipment—Air-aspirated welding blowpipes
Standard published on 27.11.2023
Selected format:Coated abrasives—General safety requirements
Standard published on 27.11.2023
Selected format:Foil bearings—Performance of hydrodynamic gas thrust bearings—Testing of static load capacity, bearing torque, friction coefficient and lifetime
Standard published on 27.11.2023
Selected format:Foundry machinery—Cutting, grinding and finishing equipment for casting cleaning—Safety technical specifications
Standard published on 27.11.2023
Selected format:Snow throwers—Safety requirements and test methods—Part 1: Terminology and common tests
Standard published on 27.11.2023
Selected format:Snow throwers—Safety requirements and test methods—Part 2: Pedestrian-controlled snow throwers
Standard published on 27.11.2023
Selected format:Snow throwers—Safety requirements and test methods—Part 3: Ride-on snow throwers
Standard published on 27.11.2023
Selected format:Snow throwers—Safety requirements and test methods—Part 4: Additional national and regional requirements
Standard published on 27.11.2023
Selected format:Petroleum and natural gas industries—Specific requirements for offshore structures—Part 6: Marine operations
Standard published on 27.11.2023
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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