WONIK HOLDINGS CO., LTD. engages in the production and sale of semiconductor equipment, liquid crystal display (LCD) devices, and solar equipment. It operates through the following business areas: Semiconductor, Flat Panel Display (FPD), Solar, and Total Gas Solution (TGS). The Semiconductor business offers chemical vapor deposition(CVD) equipment, bluetain, and other products. The FPD business offers FPD dry etcher, and thin film transistor LCD. The Solar business offers reactive ion etching, plasma enhanced CVD, and low pressure CVD. The TGS business offers gas supply system, chemical supply system, gas purifiers, and secondary pipe construction. The company was founded on September 19, 1991 and is headquartered in Pyeongtaek, South Korea.