Korea Shangyi Medical Devices Co., Ltd. was established in 1997. Since its establishment, it has launched the representative brand "DIsk Dr." with the concept of Health care & Human care. It has become a representative medical enterprise in South Korea and even the world. South Korea advocates medical devices have local agents in 31 countries around the world, which is very rare among South Korean small and medium-sized enterprises.

Qingdao Changyi Medical Device Co., Ltd. has developed with well-known foreign medical device companies, and has promoted South Korea's excellent medical technology. The company has initially developed a portable traction device (Disk Dr.) using VAP technology, which can effectively relieve pain caused by herniated discs. Disk Dr. In order to effectively prevent diseases caused by wrong living habits and to allow people to enjoy a healthier life, the core technology and R&D capabilities of specialized companies in the medical device field produce and produce spine traction therapy devices and cervical spine traction therapy devices. , now expanding the field of life to the field of knee medical devices .