BK Medical was founded in 1977, focusing on the development and production of ultrasonic diagnostic systems. GE volume navigation ultrasonic products are mainly oriented to hospitals of dimethyl and above, and are positioned at the high end. The main competitive products are Philips IU22, Siemens ACUSONS2000, Hitachi Totem, Toshiba Aplio300 and Parkson MyLabTwice.