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Standards GB - Chinese national standards - Page 4704
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
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GB/T 47715-2026
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Scarlet caterpillar fungus
Execute Date: december 2026
Standard published on 25.5.2026
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GB/T 47716-2026
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Heavy mechanical—Design specifications for hydraulic system
Execute Date: september 2026
Standard published on 25.5.2026
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GB/T 47717-2026
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Heavy mechanical—Design specifications for packaging
Execute Date: september 2026
Standard published on 25.5.2026
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GB/T 47718-2026
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Amusement park—Management specification for critical equipment and facilities
Execute Date: september 2026
Standard published on 25.5.2026
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GB/T 47719-2026
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Micro-electromechanical systems (MEMS) technology—Test methods of the performances for MEMS capacitive microphone
Execute Date: september 2026
Standard published on 25.5.2026
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GB/T 4772.1-2025
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Dimensions and output series for rotating electrical machines—Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
Standard published on 1.8.2025
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GB/T 4772.2-1999
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Dimensions and output series for rotating electrical machines--Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360
Standard published on 26.2.1999
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GB/T 4772.3-1999
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Dimensions and output series for rotating electrical machines--Part 3:Samll built-in motors--Flange numbers BF10 to BF50
Standard published on 26.2.1999
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GB/T 47720-2026
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Lifting appliances—Remote control systems—General technical specifications
Execute Date: december 2026
Standard published on 25.5.2026
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GB/T 47721-2026
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Wind energy generation systems—Design specification for offshore wind turbine integrated support structures
Execute Date: september 2026
Standard published on 25.5.2026
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