HUNAN EDSUN ELECTRICAL SCIENCE AND TECHNOLOGY CO.,LTD, established in 2011 and located in CHANGSHA CITY,HUNAN PROVINCE. EDSUN is a professional company engaged in the manufacture of power supply systems and providing overall solutions for the power supply engineering , and also specialized in research, manufacturing, marketing and after-service of Intelligent Control System, Direct Current Power Supply ,Power Supply Equipment, Portable Charging Pile, Automatic Components,etc. Along with its rapid development recent years, we have the production workshop and research laboratory around 2000 square meters, 6 cycle production lines and 6 cycle test lines. Our company has registered the trademarks of "EDSUN, DURANT, LECHELANCHE", owned 10 software copyrights, 9 utility model patents and 3 invention patents with highly reputation in domestic and overseas. At the same time, we are dedicated to strict quality control and thoughtful customer service and obtained I S O 9 0 0 1, I S O 4 5 0 0 1, I S O 1 4 0 0 1 and 3 A class certificates. And our company even has established extensive cooperation and further communication with colleges, universities, and research institutions, it has formed a school-enterprise scientific research alliance to achieved great results. Never being satisfied and keep making progress is the core spirit of EDSUN, and we will still insist on contributing its strength to our country and even for the world in the field of Power Supply, Intelligent Control and New Energy.