Sihuan Pharmaceutical Holdings Group Ltd., an investment holding company, engages in the research and development, manufacture, and sale of pharmaceutical products in the People's Republic of China. The company offers cardio-cerebral vascular system, digestive system, metabolism, anti-infective, respiratory, neurology, and other drugs. It also engages in the marketing of pharmaceutical products; manufacture of pharmaceutical materials and medical instruments; project preparation for the manufacture of pharmaceutical products; promotion of technology, biotechnology, and consulting services; and construction of medical projects, as well as the provision of information support, research and development, business and development, and general hospital and hospital management services. In addition, the company invests in property; constructs environmental protection projects; and wholesales chemical raw materials and medical devices. The company was founded in 2001 and is based in Wanchai, Hong Kong.