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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
Thermal performance of buildings and building components—Physical quantities and definitions
Execute Date: august 2026
Standard published on 28.1.2026
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Microbeam analysis—Standard file format for spectral-data exchange
Execute Date: august 2026
Standard published on 28.1.2026
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Guideline for unconventional water sources reuse in the iron and steel industry
Execute Date: august 2026
Standard published on 28.1.2026
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Platinum-carbon electrocatalyst for fuel cells
Execute Date: august 2026
Standard published on 28.1.2026
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Refractory products—Determination of cylindrical splitting tensile strength at room temperature
Execute Date: august 2026
Standard published on 28.1.2026
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Road wear test of studded tyres
Execute Date: august 2026
Standard published on 28.1.2026
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Sealants—Determination of surface cure time
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Guidelines for the Construction Evaluation of Park City
Standard published on 28.1.2026
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Classification for intelligent operations of mobile mining machinery
Execute Date: august 2026
Standard published on 28.1.2026
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Stability evaluation of active magnetic bearings
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Latest update: 2026-07-19 (Number of items: 2 288 934)
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