Shenzhen Nan山区 Digital Cultural Industry Park has recently brought good news. Shenzhen Tianyi Company signed a cooperation agreement with Beijing Zhongdian Telecommunication, a directly affiliated company of State Grid Corporation, to launch the application of power line communication technology (PLC technology) in China. The project is worth 40 million yuan RMB. It is expected to start construction by the end of this year and be put into operation by the end of next year.