Vissem Electronics Co.,Ltd. is a Korea-based company engaged in the manufacturing of light emitting diode (LED) modules and light guide panels. The Company manufactures LED devices and modules, including LED lamps for LED display boards, LED surface mount device (SMD) chips for LED displays, indoor use LED dot matrix modules and others; LED screens, including outdoor LED screens, indoor display boards and others; optical communication components, including optical fibers, optical termination boxes and other accessories, as well as LED lighting equipment. It also involves in the provision of power supplies, cooling tanks and others for KTX electron industry. It also involves in the manufacture and sale of communication equipment, printed circuit boards (PCBs) and transformer parts through DONGYANG TELECOM CO., LTD.