LisanTech Co.,Ltd. was established in 2007 as a specialized in development of Semiconductor circuit and its software programming. For this reason, we were able to developed and delivered the state-of-the-art industrial equipment variously such as tele-communications, monitoring and automatic control. Based on these accumulated experiences, we have pioneered the PLC(Power Line Communication) industries and finally achieve the success. The PLC developed by LisanTech is an eco-friendly energy saving technology without any separated wire construction. Furthermore, it is possible to establish a new system or replace the existing system such as building-automation, home-automation, lighting control, remote control, remote meter reading and security system.