Daqo Group (originally named Jiangsu Changjiang Electrical Group) was established in 1965. Daqo Group is engaged in High-Low-voltage Electrical System, Components, Environmental Protection, High-speed Railway Equipment, New Energy (Polysilicon and Solar Cells) and everything related. Daqo Group is the nation's largest enterprise group, and there are four major industrial bases in Jiangsu Yangzhong, Nanjing Jiangning Development Zone, Chongqing Wanzhou District and Beijing Hi-tech Zone. The group has 23 subsidiaries, and 7 of those are joint venture companies cooperating with Germany Siemens, Germany Moeller, America Eaton, Switzerland Secheron, and Denmark NKT,etc. Daqo Group is the national key high-tech enterprise, Ministry of Science and Technology 863 National Achievement Industrialization Base, National 863 Program CIMS demonstration enterprise, Chinese Machinery Industry Top 100 enterprise, Chinese electrical industry leader enterprise.