Topline Power USA INC has been established as power of technology and outstanding development. Its product enhances our ability to simplify ones busy lives by managing, measuring, and monitoring ones appliances, lighting, and electronics whether one is on the go or at home.Topline Power Corporation has a broad choice of product line including USB plug-in board, 5-port USB power adapter, smart plug panels, etc. In order to allow people to enjoy the convenience from technology, our team has continued improving our products through advance technology and increasing investment on researching and development.