About Company

Shantou Institute of Ultrasonic Instruments produce ready-made solutions in the field of ultrasonic testing in all industries, from simple handheld flaw detectors and thickness gauges to automated and mechanized UT systems using various scanning devices.

SIUI has been an ISO certified ultrasonic flaw detector company for over 30 years. Starting from a small research institute, today SIUI has become a high-tech world-class corporation with many scientific and technical achievements in this field, which allows SIUI to stand among the leading manufacturers of ultrasonic equipment.

Since 1995, SIUI has been certified by many local and foreign organizations:

  • ISO 9001 certificate
  • CE Mark Compliance
  • Products certified by the Ministry of Railway Transport
  • Accredited and Research Center for product quality control
  • The only professional institute of ultrasonic devices in China

Company has the largest production base of ultrasonic devices in China with several advanced SMT lines, transducers and machining, a large number of experienced production and technical specialists and developed logistics in the country and abroad. Currently, SIUI has an annual production capacity of up to 8,000 base units and 20,000 transducers for medical ultrasound and 20,000 base units and 100,000 transducers for UT products, being the leading manufacturer in China.

  Manufacturer Catalog 

Smartor (UT, TG) modern UT flaw detector with TG mode

SyncScan (UT, TG, PA, TOFD) multifunctional flaw detector

CTS30 Series (TG) compact ultrasonic thickness gauges

Scanners for mechanized/automated inspection

Probes and prism 



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