Hunan Joypo Energy Technology Co., Ltd. is a professional company specializing in lithium battery packs, we have excellent teams who focus on research & development, quality control & inspection, manufacturing, and marketing. We are located in Changsha City, Hunan Province, with convenient transportation access.Dedicated to strict quality control and thoughtful customer service, our experienced staff members whom have 18 years experience about research and development and manufacturing are always available to discuss your requirements and ensure full customer satisfaction. In order to supply the satisfactory products and services, we have built a modern quality management system which is in strict accordance with international standards. We have passed ISO9001, ISO45001. The goods were all 100% inspection and then shipped out. We also welcome OEM and ODM orders. Our products were sold out to America, Europe, Asia, Africa and other parts of the world. We adhere to the principle of mutual benefit and enjoy a good reputation among our customers because we provide professional services, high-quality products and competitive prices. Warmly welcome domestic and foreign customers to cooperate with us to achieve mutual success.