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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
Intelligent service—Predictive maintenance—Algorithm evaluation method
Standard published on 28.12.2023
Selected format:Maintenance technology of optical fibre and cable line—Part 1: Fibre identification based on leaky light
Standard published on 28.12.2023
Selected format:Maintenance technology of optical fibre and cable line—Part 2: Water detection in underground closures with optical monitoring system
Standard published on 28.12.2023
Selected format:Maintenance technology of optical fibre and cable line—Part 3: Cable identification by optical sensing technique
Standard published on 5.10.2025
Selected format:Information security technologyGuidelines for cyber security information submission
Standard published on 28.12.2023
Selected format:Specification for national integrated government service platform mobile terminal
Standard published on 28.12.2023
Selected format:Technical specification for propolis production
Standard published on 28.12.2023
Selected format:Stainless steel wire rods
Standard published on 30.12.2016
Selected format:Stainless steel wire rods
Standard published on 29.8.2025
Selected format:New-type urbanization—Guidelines for evaluation of innovative city
Standard published on 28.12.2023
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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