Shenyang Canta Medical TECH. Co., Ltd is a Hi-Tech share-issuing enterprise, which specialized in the invention and manufacture of oxygen concentrators and family physiotherapy products. The Turtle oxygen concentrator developed by our company, has gained ISO13485 International Certification and most have European CE approval, and has been applied widely in hospitals, health centers, medical stations and suits all kinds of family nursing and health care, for senior citizens, brain workers, students, pregnant woman xxxxx