Changsha EDsun electrical equipment limited company is located in Changsha National High-tech Industrial Development Zone, as an internationally influential high-tech enterprises, ED fast company in the field of electrical equipment have unremitting pursuit. Since the creation of the company 's rapid development is changing the domestic electrical industry has lagged behind western developed countries, independent research and development of the EDS-UP series of Intelligent DC power supply, parallel type micro power supply cabinets and other products to break the industry in China in recent decades followed Europe and the United States step pattern, ED fast R & D capability makes whole world peers sit up and take notice, high performance products have won wide respect and praise of the industry.