SEOUL ELECTRONICS & TELECOM Co., Ltd. engages in the manufacture and sale of power supply equipment and device parts. It operates through the Power and Original Design Manufacturing (ODM) business divisions. The Power business division consists of the product sales of transformers, Switching Mode Power Supply (SMPS), and switching trans to domestic and overseas electronic companies. The ODM business division produces original design manufacturing and delivering directly for domestic sales. The company was founded on June 17, 1983 and is headquartered in Incheon, South Korea.