KDF, Control cable with outer insulation made of special PVC and inner insulation made of Teflon. That can withstand the corrosion of oil well can be immersed in oil, insulation does not crack, does not freeze and it has soft and high definition copper fringe. Able to move and receive strength as well. Suitable for installation of machine control systems, keel rails, robot systems in industrial plants. Where the wires are moving fast, there is a strong flicker and move in a narrow angle, 300V usable, ranging from 2-60 cores.