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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
Guide of calculation for multiple renewable energy station short-circuit ratio
Standard published on 31.12.2025
Selected format:Specification for power station valves
Standard published on 31.12.2025
Selected format:Superplastic forming and diffusion bonding of titanium alloy sheets—Technological specifications
Standard published on 31.12.2025
Selected format:Aluminium alloy flange forgings—General specifications
Standard published on 31.12.2025
Selected format:Discharge standard of water pollutants for food processing and manufacturing industry
Standard published on 2.12.2025
Selected format:Specification on the disposal of requests on government service hotline
Standard published on 27.12.2025
Selected format:General technical requirements for latex fillers in textile products
Standard published on 31.12.2025
Selected format:Internal cylindrical grinding machines with horizontal spindle - Testing of the accuracy
Standard published on 26.7.2007
Selected format:Cybersecurity technology—Cybersecurity experiment platform—Architecture
Standard published on 2.12.2025
Selected format:Test methods for device embedded substrate
Standard published on 31.12.2025
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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