SUNNY ELECTRONICS CORP. is a Korea-based company principally engaged in the manufacturing and sale of electronic components. The Company operates in two segments: crystal oscillator segment and communication segment. The crystal oscillator segment produces crystal units, crystal oscillators, voltage-controlled crystal oscillators (VCXOs), temperature compensated crystal oscillators (TCXOs), oven-controlled crystal oscillators (OCXOs), filters and saw devices under the brand name SUNNY used for televisions, computers, communication equipment and others. The communication segment produces multiplexers used for optical transmission devices. It distributes its products within domestic market and to overseas markets.