SIUI(Shantou Institute of Ultrasonic Instruments Co., Ltd.) Medical Imaging NDT, SIUI is an ISO certified company and has been dedicated to R&D, manufacture and sales of Ultrasonic Flaw Detectors for more than 40 years. SIUI has established advanced manufacture technique and widespread sales network, with its products serving in machinery, metallurgy, railway, shipbuilding, aircraft and building. SIUI has a complete product line, including phased-array ultrasonic flaw detectors, conventional flaw detectors, thickness gauges, crawlers and up to 1,000 types of probes and acces.