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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
Technical requirements for impedance matching of ship electrical equipment
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:
Cooling equipment for high-voltage direct current power transmission using voltage sourced converters
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:
Rotating electrical machines—Test methods and apparatus for the measurement of the operational characteristics of brushes
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Blockchain and distributed ledger technology—Service operation—Part 1: General technical requirements of blockchain as a service
Standard published on 25.5.2026
Selected format:Urban operation, management and services platform—Part 1: Terminology and symbols
Standard published on 25.5.2026
Selected format:Urban operation,management and services platform—Part 10Comprehensive evaluation
Standard published on 25.5.2026
Selected format:Urban operation,management and services platform—Part 2General technology
Standard published on 25.5.2026
Selected format:Urban operation,management and services platform—Part 3Grid
Standard published on 25.5.2026
Selected format:Urban operation,management and services platform—Part 4Geocoding
Standard published on 25.5.2026
Selected format:Urban operation,management and services platform—Part 5Managed component and matter
Standard published on 25.5.2026
Selected format:Latest update: 2026-11-06 (Number of items: 2 209 112)
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