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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
Conveyor machinery—Inspection and maintenance specifications—Part 2:Scraper conveyors
Standard published on 29.8.2025
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Conveyor machinery—Inspection and maintenance specifications—Part 3: Screw conveyors
Execute Date: february 2027
Standard published on 30.7.2026
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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:Ships and marine technology—Aluminum shore gangways for seagoing vessels
Standard published on 29.8.2025
Selected format:Leisure accommodation vehicles—Safety signs and information symbols
Standard published on 29.8.2025
Selected format:Ships and marine technology—Specification of high manganese austenitic steel thin strips used for LNG tanks on board ships
Standard published on 29.8.2025
Selected format:Ships and marine technology—Ballast water management systems (BWMS)—Part 2: Risk assessment and risk reduction of BWMS using electrolytic methods
Standard published on 29.8.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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