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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
Plastic-dipped composite steel pipes for industrial piping
Standard published on 31.10.2025
Selected format:Imaging materials—Adhesive mounting systems—Specifications
Standard published on 31.10.2025
Selected format:Seamless stainless steel pipes for hydrogen powered vehicle piping
Standard published on 31.10.2025
Selected format:Ultrasonic cloud testing for steel products
Standard published on 31.10.2025
Selected format:Imaging materials—Colour reflection prints—Test method for ozone gas fading stability
Standard published on 31.10.2025
Selected format:Plastics—Determination of color difference of recycled plastics
Standard published on 31.10.2025
Selected format:Thermal management for energy storage—Refrigerating units (heat pumps) for electrochemical energy storage
Standard published on 31.10.2025
Selected format:Test method for tension-tension fatigue properties of carbon fiber reinforced ceramic matrix composites at elevated temperature
Standard published on 31.10.2025
Selected format:Imaging materials and prints—Abrasion resistance—Part 1:General rub testing methods
Standard published on 31.10.2025
Selected format:
Imaging materials and prints—Abrasion resistance—Part 2: Rub testing of photographic prints
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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