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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
Test for shop primers in relation to welding and allied processes—Part 3: Thermal cutting
Standard published on 29.8.2025
Selected format:Test for shop primers in relation to welding and allied processes—Part 4: Emission of fumes and gases
Standard published on 29.8.2025
Selected format:Non-destructive testing—Visual testing method of long material
Standard published on 29.8.2025
Selected format:Conveyor machinery—Inspection and maintenance specifications—Part 1:Belt conveyors
Standard published on 29.8.2025
Selected format:Conveyor machinery—Inspection and maintenance specifications—Part 2:Scraper conveyors
Standard published on 29.8.2025
Selected format:
Conveyor machinery—Inspection and maintenance specifications—Part 3: Screw conveyors
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:
Conveyor machinery—Inspection and maintenance specifications—Part 4: Bucket elevators
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Ships and marine technology—Personal and group survival kit for use in polar water
Standard published on 29.8.2025
Selected format:Ships and marine technology—Virtual reality and simulation training systems for lifesaving appliances and arrangements
Standard published on 29.8.2025
Selected format:Single point mooring hawsers for ocean facility
Standard published on 29.8.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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