Among them, the hot end of the cold end heat exchanger unit of EPC project owners with soe/state is given priority to, this also reflected from the side, in the project bidding and parity, state-owned enterprises have become the absolute main force. Specifically, CGNPC 603 mw photovoltaic drill lead-acid maintenance-free battery, heat exchanger hot end of the cold end of guangzhou development of 410 mw, 345 mw in energy saving, heat and direct heat storage Pan Jingong agent can jin group of 220 mw power generation glass, the people vote for a 200 mw, silicon wafer cleaning process steps of hubei energy group, 190 mw, 180 mw lead-acid maintenance-free battery huaneng this paper statistics the September to today issued a total of 2. 85 gw pv power plant EPC and 1. 9 gw component bid opening information.