Coil Line, Coil Wire , Coiled Lines Meterial of conductor :copper wires Various colors available The main products are auto wire,medical treatment wire ,massage chair wire and so onInsulation:PU, TPU,TPR,PVCJaket:PU, TPU, Standard:according to customers requirements--high restoring force guaranteed ,high cycles and life--largely resistant to grease,acids--free from lacquer damaging substances