TPK Holding Co., Ltd. is principally engaged in the research, development, manufacturing and distribution of capacitive touch sensors, modules and monitors. The Company operates its businesses through the production of medium- and small-sized touch panels, which provides touch panels for mobile phones, portable media players (PMPs), personal navigation devices (PNDs), electronic books and digital photo frames, among others. In addition, it involves in the system integration and indium tin oxide (ITO) glass business. The Company distributes its products primarily in the North America and Asia.