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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
Energy management system application program interface (EMS-API)—Part 302: Common information model (CIM) dynamics
Standard published on 27.11.2023
Selected format:Energy management system application program interface (EMS-API)—Part 556CIM based graphic exchange format (CIM/G)
Standard published on 25.4.2024
Selected format:Extrinsic semiconductor single crystals measurement of Hall mobility and Hall coefficient
Standard published on 31.10.2025
Selected format:Imported cold-chain food traceability—Requirements for traceability information management
Standard published on 7.9.2023
Selected format:Combined accept-zero sampling systems and process control procedures for product acceptance
Standard published on 27.11.2023
Selected format:Guide to the troubleshooting electromagnetic interference
Standard published on 27.11.2023
Selected format:Nanotechnologies—Characterization of cellulose nanocrystals
Standard published on 27.11.2023
Selected format:Measuring methods of the surface magnetic field distribution for permanent magnets
Standard published on 27.11.2023
Selected format:Measuring methods of the surface magnetic field distribution for permanent magnets
Standard published on 27.11.2023
Selected format:Imported cold-chain food traceability—Data elements of traceability system
Standard published on 7.9.2023
Selected format:Latest update: 2026-09-14 (Number of items: 2 300 654)
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