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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
Test method for abrasion resistance of brush products
Execute Date: december 2026
Standard published on 25.5.2026
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Leather and Fur—Chemical tests—Determination of quinoline compouds
Execute Date: december 2026
Standard published on 25.5.2026
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Flexible organic light emitting diode (OLED) panels for general lighting—Performance specifications
Execute Date: december 2026
Standard published on 25.5.2026
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Excimer ultraviolet radiation sources—Safety specifications
Execute Date: december 2026
Standard published on 25.5.2026
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Scarlet caterpillar fungus
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Heavy mechanical—Design specifications for hydraulic system
Standard published on 25.5.2026
Selected format:Heavy mechanical—Design specifications for packaging
Standard published on 25.5.2026
Selected format:Amusement park—Management specification for critical equipment and facilities
Standard published on 25.5.2026
Selected format:Micro-electromechanical systems (MEMS) technology—Test methods of the performances for MEMS capacitive microphone
Standard published on 25.5.2026
Selected format:Dimensions and output series for rotating electrical machines—Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
Standard published on 1.8.2025
Selected format:Latest update: 2026-11-05 (Number of items: 2 209 078)
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