Flexible cable, also known as Flexible Flat Cable (FFC) can be arbitrarily selected number of wires and spacing, so that the joint line is more convenient, greatly reducing the volume of electronic products, reduce production costs, improve production efficiency, the most suitable for the mobile components and the motherboard between the PCB board to the PCB board between the miniaturization of electrical equipment for the data transmission cable used. Common specifications are 0.5mm, 0.8mm, 1.0mm, 1.25mm, 1.27mm, 1.5mm, 2.0mm, 2.54mm, etc. Various spacing flexible cable line.