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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
Guidance of project management agilization
Standard published on 6.8.2023
Selected format:Implementation guidelines for quality monitoring of E-commerce transacting commodity
Standard published on 6.8.2023
Selected format:Packaging requirement for emergency medicines and equipments
Standard published on 6.8.2023
Selected format:Micro-electromechanical systemsMEMStechnology—Bending strength test method for microstructures of silicon based MEMS
Standard published on 6.8.2023
Selected format:Micro-electromechanical systemsMEMS technology—Impact test method for nanostructures of silicon based MEMS
Standard published on 6.8.2023
Selected format:Micro-electromechanical systemsMEMS technology—Tensile strength test method for nano-scale membranes of silicon based MEMS
Standard published on 6.8.2023
Selected format:Determination of the emission of semivolatile organic compoundsSVOC for building products
Standard published on 6.8.2023
Selected format:Test method for weldability of ocean engineering structural steel
Standard published on 6.8.2023
Selected format:Metallic materials—High strain rate compression test method at elevated temperature
Standard published on 6.8.2023
Selected format:Test methods of reinforcement couplers for mechanical splices of bars
Standard published on 6.8.2023
Selected format:Latest update: 2026-09-22 (Number of items: 2 302 417)
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