Since established in 1979, Dongyang Security Electronics Co., Ltd. has been growing rapidly and continuously. After established Dongyang Relay, the subsidiary company, in 1995, we have been supplying the domestic large corporation including Hyundai, LG, Daewoo, and Samsung with our quality products.Recently developed GasCom, which is equipped with cutting-edge gas locking device, operated by voice message over phone line, has acquired patent of invention. We dedicated our utmost efforts to be the pioneer company for protecting your home from gas accident.