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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
Air intake filter systems for rotary machinery—Test methods—Part 1: Static filter elements
Execute Date: december 2026
Standard published on 25.5.2026
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Air intake filter systems for rotary machinery—Test methods—Part 2: Endurance test in fog and mist environments
Execute Date: december 2026
Standard published on 25.5.2026
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General technical requirements of indoor thermostats
Execute Date: december 2026
Standard published on 25.5.2026
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Non-destructive testing of steel pipes—Automatic ultrasonic testing for weld seam imperfections of thick-wall welded steel pipes
Execute Date: december 2026
Standard published on 25.5.2026
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Plastics—Determination of mode I plane-strain crack-arrest toughness
Execute Date: december 2026
Standard published on 25.5.2026
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Fine ceramics—Test method for crystalline quality of single-crystal thin film (wafer) using XRD method with parallel X-ray beam
Execute Date: december 2026
Standard published on 25.5.2026
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Rubber and plastics machines—Clamping systems—Part 1: Safety requirements for magnetic clamping systems
Execute Date: december 2026
Standard published on 25.5.2026
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Thermal insulation for industrial application—Cellular glass products—Specification
Execute Date: december 2026
Standard published on 25.5.2026
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Panels for external wall used in buildings
Execute Date: december 2026
Standard published on 25.5.2026
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Quality evaluation scheme of steel bars for the steel reinforcement of concrete
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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