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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
Information technology—Cloud data storage and management—Application programming interface testing method of object-based cloud storage
Standard published on 27.11.2023
Selected format:Metallic materials—Barcol hardness test—Part 1: Test method
Standard published on 31.10.2025
Selected format:Metallic materials—Barcol hardness test—Part 2:Verification and calibration of hardness testers
Standard published on 27.11.2023
Selected format:Metallic materials—Barcol hardness test—Part 3: Calibration of reference blocks
Standard published on 27.11.2023
Selected format:Information technology—Cloud computing—Test methods for virtual machine resources management system
Standard published on 27.11.2023
Selected format:Crack resistance test method for laser repaired area
Standard published on 27.11.2023
Selected format:Information security technology—Security requirements for software development kit (SDK) in mobile internet applications (App)
Standard published on 27.11.2023
Selected format:Smart factory—Automation system for flexible manufacturing—General requirement
Standard published on 27.11.2023
Selected format:Information technology—Information product research and development capacity assessment model
Standard published on 27.11.2023
Selected format:Information technology—Learning, education and training—Evaluation guide for information literacy of primary and secondary school teachers
Standard published on 27.11.2023
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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