BSE Holdings Co., Ltd. is a Korea-based holding company mainly engaged in the management of subsidiaries. As of December 31, 2011, the Company had two subsidiaries: Best Sound Electronics, engaged in the manufacture and sale of microphones including electrets condenser microphones (ECMs), micro electro mechanical systems (MEMS) and others, as well as speakers including piezoelectric speakers, electrostatic speakers and multi-function speakers mainly applied to information and communication devices, and ITSWELL CO., LTD, engaged in light emitting diode (LED) packaging equipment business. The Company distributes its products to NOKIA, Samsung Electronics, LG Electronics, MOTOROLA, FOXCONN, HTC and others.