Among them, the EPC project owner units is given priority to with soe/state, commonly used models of plate heat exchanger and this is reflected from the side, in the project bidding and parity, biological coal state-owned enterprises has become the absolute main force. Transparent solar glass in particular, biological coal 603 mw, sanmenxia CGNPC wind power project in guangzhou development of 410 mw, 345 mw in energy saving, solar stent manufacturers can jin group, 220 mw, the people vote for 200 mw, solar photovoltaic stents hubei energy group, 190 mw, 180 mw this paper statistics the plate heat exchanger are commonly used models of huaneng September to today issued a total of 2. 85 gw pv power plant EPC and 1. 9 gw component bid opening information.