China Medical System Holdings Limited is an investment holding company. The Company�s subsidiaries are engaged in the production of medicines, distribution and import of drugs. The Company operates in two segments: marketing, promotion and sales of pharmaceutical products segment, which includes marketing, promotion and sale of in-licensed medicine and pharmaceutical products from overseas and domestic pharmaceutical companies to wholesale customers across China, including distributors and hospitals, and others segment, which includes production and sales of other medicines and pharmaceutical products to wholesale customers across China, including distributors and hospitals and production and sales of medical instruments. In April 2011, the Company acquired a 100% equity interest in Great Move. In May 2011, the Company acquired a 51% equity interest in Kangzhe Guangming.