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  • An industry leading company in developing and manufacturing Pipeline Crawlers, X-ray Units and Real-time Imaging Systems.
    中文版   |   English
      • Real-time Imaging
      • Pipeline Crawlers
      • Wireless X-ray Units
      • Mobile X-ray Units
      • Portable X-ray Units
      • MPI
      Real-time Imaging Systems

      Our X-ray Real-time Imaging Systems are used for dynamic real-time imaging inspections, with high image quality, fast process speed, dynamic and static noise reduction, increased detection accuracy and reliability, together with 1-5 dimensional mechanical transmission unit, the systems have the flexibility to choose different viewing angles for internal defects with the best dynamic results.

      Pipeline Crawlers

      DTC X-ray Pipeline Crawler System consists of Crawler, X-ray Generator, Tracking System, Communication Devices, and Battery Pack. Dual tracking system (magnetic and video) is also available for enhanced accuracy and easy-operation. The system is widely used for defects inspection and repair of natural gas pipelines, oil pipelines, urban water supply and drainage pipes, water pipes and other pressure pipelines.

      Wireless X-ray Units

      Developed by Dandong Flaw-Detection Instruments Factory in collaboration with UK and Iran R&D teams, DTX/WF is our next generation of constant frequency wireless integrated X-ray Unit. By utilizing HMI and connecting with PLC, Wireless Communication Module, DT Integrated Circuit and varies sensors, user can send operation commands and set parameters using the touch screen display.

      Mobile X-ray Units

      Mobile (Fixed) X-ray Inspection Unit is mainly used for online production and laboratory projects. The system utilizes ceramic X-ray tube, which is suitable for both real-time image inspection and film inspection. It has been widely used in national defence, aviation, aerospace, chemical, shipbuilding, automotive, pressure vessels, machinery manufacturing, plastics, refractories and other industries and materials testing.

      Portable X-ray Units

      Portable X-ray Units are light weight X-ray detection systems, they are easy to carry around and suitable for filed works. This equipment is commonly used in the fields of shipbuilding, petroleum, chemical, aerospace, transportation and construction. It is used to check the quality of materials from vessel body, pipeline, high pressure container, aircraft, vehicle and bridge.

      Magnetic Particle Inspection

      DTS smart MPI Yokes are battery-powered, especially suitable for the magnetic particle inspection of internal structure of boilers and pressure vessels, aerial work, eliminating the need of setting AC power, and improving the safety level. The unit comes with a special equipment bag, which can also store accessories such as magnetic supplies, power supply along with the detector.

      More+ABOUT US

      index02_10 (2).jpgDandong Flaw Detection Instrument Factory has always uphold the combination of technology and modern management philosophy, with excellent R & D, production and management team, we are constantly strengthen our product quality and improve customer service. As one of the industry’s most trusted brand, our "Dan Tan" high-end inspection products use military-grade components, have passed GB/T 19001-2008 and ISO 9001: 2008 quality management system certification, with many latest inventions and utility patents.

      Founded in 1991, we are located in Dandong, China's largest border city, the factory covers approx. 1,500 square meters. With high standard modernised research and development environment, production equipment. We have set up branch office in Iran, constantly seeking for innovation and development, challenge technical problems in developing professional X-ray non-destructive testing equipment with our Iranian and British R&D teams.

      More+CONTACT US


      Sales: 0415-6191950
      Mobile: 13841581984
      Fax: 0415-6183782

      UK: +447900441423

      QQ: 794079709



      60-1 Baojiagou,


      Yuanbao District,
      Dandong, China