MNtech Co., Ltd. engages in the manufacture and sale of information technology display materials. It operates through the following business divisions: Optical Film, Touch Panel, Window, Retroreflective & Multi Coating Film, and White Goods. Its products include prism, lens and complex sheets, transparent conductive film, touch panel, infrared cutoff, cover films, electronic noise filter, and reactors. The company was founded in August 2002 and is headquartered in Cheongju-si, South Korea.