TPK Holding Co., Ltd. engages in the research, development and production of touch technology application solutions, indium tin oxide glass, and protective glass. Its offers touch sensors, touch modules, and touch screens including glass-glass, glass-film-film, single glass solutions, one glass solutions, touch-on-lens, and glass-films. Its products are used in mobile and consumer electronic devices such as automotive monitors, notebooks personal computers, all-in-one personal computers, and large-sized business platforms. The company was founded by Chao-Juei Chiang in 2003 and is headquartered in Taipei, Taiwan.