DAWONSYS Co., Ltd. engages in the manufacture and sale of electronic power devices. It operates through the following divisions: Special Power Supply, Plasma, and Electric Vehicle. The Special Power Supply division provides nuclear fusion power supply equipment. The Plasma division focuses on technology used in cleaning flat panel displays and application in semiconductors. The Electric Vehicle division provides power supplies for electric vehicles. The company was founded on January 9, 1996 and is headquartered in Ansan-si, South Korea.