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 power supply device for the power supply engineering , and also focus on research, manufacturing, marketing and after-service of DC Power Supply ,Power Supply Equipment, Portable ev charger,car jump starter ,portable power station, Home energy storage system ,lifepo4 home energy storage battery ,inverter,solar panel,ups power ,emergency backup power supply ,vehicle parts &accessories 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 ISO9001,ISO45001, ISO14001, 3 A class and CE 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, ev charger ,home energy storage.auto parts.