Among them, the EPC project owner units is given priority to with soe/state, this also reflected from the side, in the project bidding and parity, car battery production line of state-owned enterprises has become the absolute main force. Heat exchanger efficiency in this paper, the definition of statistics between September today issued a total of 2. 85 gw pv power plant EPC and 1. 9 gw component bid opening information. Specifically, solar traffic sign control panel failure of CGNPC solar panel failure in development of 410 mw, 603 mw, guangzhou energy saving 220 mw, 345 mw, jin can group the people vote for 200 mw, the definition of the heat exchanger efficiency of 190 mw power plant operation and management of hubei energy group, huaneng power 180 mw