Xiamen Yewsun Technology Co., Ltd is a professional power solutions integrated provider. we specialize in the R & D of Efficient power converters and inverters, Power supply and energy storage and management. We have over 300 core team members in products design, power supplies software and hardware development, Power supply R&D, process improvement, quality management, production management. They all have many years of experience in related industries.We have 1200 square meters, equipped with professional production equipment and dust-free, constant temperature and humidity production workshop. We also have multiple product testing and validation centers to help our products improve continuously.We provide OEM and ODM services for many brands around the world.We can provide complete power supply products and solutions,and We sincerely provide you with professional, more cost-effective products and OEM/ODM services to help you build a better brand.