Topline powers is a professional manufacturer of mass customization of consumer electronic products. We are different from other manufacturers.Our annual shipments in Asia in several fields such as power strip, charger, data cable, and U disk are million pieces. Our customers mainly include accessories for famous mobile phone brands, well-known consumer electronics brands, and large-scale stores provide label.We develop and design hundreds of varieties for customers to choose from each category every year.Our R&D team is directly connected with the customer's R&D team. They not only optimize the design of each plastic and metal part for robustness and aesthetics, but also minimize the cost of injection molds and the parts themselves.