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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 flashing traffic signals for urban roads
Standard published on 25.4.2025
Selected format:Urban road traffic order management—Terminology
Standard published on 25.4.2025
Selected format:Ships and marine technology—Ship’s mooring and towing fittings—Seats for mooring chocks
Standard published on 25.4.2025
Selected format:Gas-filled ionization chamber for X and -ray
Standard published on 25.4.2025
Selected format:Technical and evaluation requirement for plasma treatment of hazardous waste
Standard published on 30.5.2025
Selected format:Reclamation code of practice for coal gangue backfill subsidence area
Standard published on 25.4.2025
Selected format:Diamond—Testing and classification
Standard published on 25.4.2025
Selected format:1100 MPa spline-drive bolts with MJ threads for aerospace
Standard published on 25.4.2025
Selected format:Leather—Physical and mechanical tests—Determination of water vapour absorption
Standard published on 30.5.2025
Selected format:Security and resilience—Crisis management—Guidelines
Standard published on 25.4.2025
Selected format:Latest update: 2026-11-12 (Number of items: 2 209 301)
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