Dongfang Electric Corporation (DEC), one of the backbone enterprise groups directly supervised by Chinese Central Government is one of the world largest power generating equipment manufacturers and international project contractors. Presently, the accumulative output capacity of DEC has outnumbered 570GW while yearly output topping the world for 16 consecutive years. Dongfang Electric Wind Power Co., Ltd (DEW) is the subsidiary of DEC, and set foot in wind power industry in 2004, the first turbine was installed in 2005. It owns advanced Double-fed and Direct-drive technology, the products cover from 1.0MW to 10MW. Till now, DEW has provided more than 10000 units wind turbine to global market. The total installation capacity has reach 22GW.