DAQO group (original name was Jiangsu Changjiang electronic group) was established in 1965. After the untiring efforts of the past 40 years made by several generations of the entrepreneurs, especially after the development at top speed in 1990s, the company becomes a national famous enterprise group whose industry field involves electric, environmental protection, science and technology and hotel. The group has 23 branch enterprises, and among them there are 7 companies cooperated with world famous trans-corporations. The group has over 5500 staff, total assets are 4.5 billion and annual value of industrial output is 6 billion . DAQO group is a national first-category enterprise, key leading enterprise in national electric trade, national-level high-tech enterprise, one of information-based 500 top enterprises of China, CIMS enterprise of demonstration of national science and technology ministry 863 project and industrialization base of 863 project fruit. They have passed ISO9001: 2000 of Chinese Fangyuan committee and ISO9001 authentication of Germany TUV authentication organization. DAQO group is one of the famous leading enterprises in control and distribution electricity trade of China. Electronics field involves integration and production of complete sets of equipment, design and production of intelligent electronics, electric automated system and industrial information technology. The four fields of the high and low-voltage complete sets, low-voltage bus bar, high-voltage enclosed bus bar and bridge shelf of branch electric manufacturing company have already been in the leading level of the trade, and the aspects of design and production of intelligent electronics, electric automated system and industrial information technology already have scale. DAQO pursues in providing the customers with perfect products all the time. They have designed and produced 50 systems, over 400 types high-quality goods rigorously enforcing it according to China and international standard for customers. All products have passed first batch of 3C authentication in Quality Authentication Center of China. While offering high-quality products, DAQO offers first-rate service to meet the customer's demand to the maximum extent. DAQO set up 30 branch companies of marketing and 9 selling representative all over the country; set up and amplify perfect before & after-sale service system; have large quantities of professional techniques attendants and offer first-class technology exchange and technological scheme. Today's products of DAQO are widely used in numerous great projects such as Three Gorges project, the Great Hall of the People, Daya Gulf Nuclear Power Station , Guangzhou subway, etc. Production scale, technical equipment, product specification and economic benefits occupy the domestic counterpart's best level.