Semiconductor Manufacturing International Corp is a Hong-Kong-based company engaged in the computer-aided design, manufacturing, testing, packaging, and trading of integrated circuits and other semiconductor services. The company operates wafer fabrication facilities in China, including facilities at Shanghai, Beijing, Tianjin, Shenzhen and Jiangyin. The group operates in three principal geographical areas: United States, Europe, and Asia Pacific. Majority of the company's revenue is generated from Mainland China and Hong Kong from the Sales of wafers, Mask making, testing and others.