With its headquarter located in the Songshan Lake Science and Technology Industrial Park of Dongguan , Dongsong Electronic（hereafter referred as DYS Group） is a professional manufacturer of built-in open frame power supply, AC-DC power adapter, charger, high-frequency transformer etc products, and also a integrated power solution provider for R&D, production, sales and service.
Over 20 years of accumulation and deliberation have created DYS's current blueprint，now DYS group has three modern functional production bases which is located in Dogguan city of China, Yueyang city, Hunan of China and Hochiminh of Vietnam. DYS Group adopts digital MES, informationize ERP, and systematic OA to organically connect the management and control of each production bases. The Yueyang factory adopts automated production lines and a complete MES production quality control system. Products from R&D to finished goods need to go through 15 testing procedures to ensure its quality.