Taiwan Semiconductor Manufacturing Company Ltd. is a Taiwan-based company principally engaged in the manufacture and sales of integrated circuits and semiconductors. The main businesses of the Company include the computer-aided design, manufacture, packaging, testing and sales of integrated circuits and other semiconductor devices, as well as the manufacture of masks. Its circuit products are applied in personal computers and ancillary products, information applications, communication products, automotive and industrial equipments and consumer electronic products. The Company is also involved in the research, development, design, manufacture and sales of renewable energy and efficiency related technologies and products. The Company operates businesses in Taiwan, the United States, Asia and Europe, among others.