Single Side Layer FR4 Counter Sink Pcb Board - Single Side Layer PCB - Shenzhen Found Printed Circuit Board Co., Ltd.specializing in manufacturing printed circuit board from single layer to mutilayer layer , is estalished with a professional team in the area of marketing,production, testing and customer services.By introducing advanced technology and equipment at home and aboard, we supply products with FR4 laminate,Metal Laminate(Alumina Based and Copper Based) and high frequency board, which are used in safty,lighting,telecommunication,industrial control,Medical equipment and etc.