Semiconductor Manufacturing International Corporation is an investment holding company. The Company and its subsidiaries are mainly engaged in the computer-aided design, manufacturing, packaging, testing and trading of integrated circuits and other semiconductor services, as well as manufacturing and designing semiconductor masks. As of December 31, 2011, the Company�s subsidiaries included Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation, Semiconductor Manufacturing International (Tianjin) Corporation, SMIC Japan Corporation, Better Way Enterprises Limited, SMIC Europe S.R.L., Semiconductor Manufacturing International (Solar Cell) Corporation and SMIC Commercial Shanghai Limited Company, among others.