Chongqing Xishan Science and Technology. 

Chongqing Xishan Science & Technology Co., Ltd. engages in the research and development, manufacturing, sale, and service of digital minimally invasive surgical equipment and medical consumables in China and internationally. The company offers powered surgical instruments, such as micromotor, handpiece, attachment, shaver, bur, saw blade, and perforator; vacuum-assisted breast biopsy, including control module, handpiece, probe, and canister. It also provides UHD endocsopy systems comprising camera control unit, camera head, light source unit, LCD monitor, transforaminal endoscope, arthroscope, laparoscope, and trolley; ultrasonic bone scalpel systems; RF/HF electrosurgical unit and surgical electrode; and plasma electrosurgical unit and plasma surgical electrode. The company was founded in 1999 and is headquartered in Chongqing, China.