Shantou Institute of Ultrasonic Instruments Co., Ltd. (SIUI), a shareholding company headquartered in Shantou city, southeast of China, is an ISO certified company and has been dedicated to R&D, manufacture and sales of Ultrasonic Flaw Detectors for more than 30 years. We keep upgrading our technology and strive to serve our customers with reliable quality, high performance and competitive price NDT products. All the products available are EN compliant and CE marked, which ensures high quality. Our products can be applied in many ultrasonic flaw inspection fields, such as machinery, metallurgy, railway, shipbuilding, aircraft and building. SIUI will keep upgrading our current product lines and deliver better solutions for ultrasonic testing.</p>