located in Changzhou, the manufacturing base of medical instruments. It is a comprehensive enterprise integrating research, development, production and sale of abdominal surgery, urology, anorectal surgery and minimally invasive surgical instruments. The company now has a modern standard workshop, 100,000 class purification workshop and 10,000 class aseptic testing laboratory and advanced processing and testing equipment. Professionals and technicians above junior and secondary schools account for 60% of the total number of employees. With advanced management concepts, excellent processing technology and perfect testing methods, the company's "Ryle" brand kiss (sewing) closure and other products, in terms of technology and quality are in the leading domestic aquatic products.