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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
Space data and information transfer systems—IP over space data link protocols
Standard published on 2.12.2025
Selected format:Index system for site assessment of geologic carbon dioxide storage
Standard published on 2.12.2025
Selected format:Technical drawings - Simplified representation of bars and profile sections
Standard published on 26.6.2008
Selected format:Establishment and implementation requirements for process control systemPCS of space components
Standard published on 2.12.2025
Selected format:Energy management systems—Requirements for bodies providing audit and certification of energy management systems
Standard published on 31.10.2025
Selected format:Energy management systems—Guidance for implementing a common energy management system in multiple organizations
Standard published on 31.10.2025
Selected format:Guidelines of energy efficiency grading for public institutions
Standard published on 31.10.2025
Selected format:Guidelines for energy saving use of air-consuming equipment in compressed air systems
Standard published on 31.10.2025
Selected format:Technical specifications for assessment of greenhouse gas emission reductions at the project level—Echelon utilization of retired vehicle battery
Standard published on 31.10.2025
Selected format:Greenhouse gas management systems—Requirements
Standard published on 31.10.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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