Semiconductor Manufacturing International Corp is a holding company that is primarily engaged in the manufacture and sale of integrated circuits. The Company is primarily engaged in the manufacture and testing of semiconductor integrated circuit wafers. The Company also provides integrated circuit-related development, design and technical services, photomask manufacturing, testing and sales of self-produced products, and other services. The semiconductors include silicon wafers and various types of compound semiconductors. The Company's products are sold at home and abroad, including the United States, Europe and Asia.