Qichen (Shanghai) Medical Devices Co., Ltd. is a technology company focusing on the research and development of cardiopulmonary interventional devices. It develops system solutions for cardiopulmonary diseases of different populations, different needs and different scenarios. It now has a 10000 level clean production workshop of about 1400 square meters, a 300 square meter Shanghai R & D center, and dozens of testing equipment, including production equipment including knitting machines, wire splitting machines, wire cutting, multi-functional machine tools Laser welding machine, automatic polishing machine, bracket coating machine and other precision processing equipment can realize the integrated independent production mode from raw materials to products. In addition, the company also has high-end precision testing instruments such as diverter fatigue test, valve pulsating flow test and high-performance gas chromatograph, which can strictly detect and control the key quality characteristics of products. Each product has its own intellectual property rights. The company has more than 110 patents in the field of cardiopulmonary medicine, and its technical level is absolutely leading in China, synchronized with the world's most advanced cardiopulmonary medical treatment technology.