YUYANG D&U CO.,LTD. is a Korea-based company mainly engaged in the manufacture of power supply equipment. The Company operates its business through four main divisions: power division, light emitting diode (LED) division, hybrid integrated circuit division and chemical products division. Its power division provides power supplies for liquid crystal display televisions (LCD TVs) and other displays. Its LED division provides LED lighting products under the brand name YUYANG. Its hybrid integrated circuit division provides hybrid integrated circuit (HIC) modules, which are used for communication devices. Its chemical products division engages in the wholesale of petrochemical products. The Company distributes its products within domestic market and to overseas markets.