Shantou Institute of Ultrasonic Instruments, Inc. (SIUI) has been engaged in R&D of ultrasonic instruments since early 1960s. As a leading manufacturer in China's ultrasound testing industry and a State Key High-tech Enterprise, SIUI has been dedicated in supplying ultrasonic instruments with high performance and good quality at reasonable prices. SMT (Surface Mounting Technology) is adopted in its large-scale production.

Shantou Medical Ultrasound Scanners, the main products of SIUI, were awarded the National Technological Progress Prize due to their top technical performance in China. The scanners can be applied in the clinical diagnosis of cardiology, liver, kidney, gallbladder and OB/GYN, etc.

Qualified by international and national certifications such as ISO9001, CE, FDA and CMD, the products have been popular among the users and exported to more than 80 countries and area in America, Europe, Middle East and Southeast Asia. The brands "Shantou Ultrasound Scanners" and "SIUI" have become reputed both in China and abroad.