UL Qualified Oem Packing Enameled Aluminum Wire 0.7mm is a wire drawn or extruded from an oxygen-free copper rod or an electrical round aluminum rod through a certain specification die. Winding wire made of insulating varnish for many times. Mainly used in windings of transformers, motors, generators and various electrical equipment. Including 180 grade polyesterimide enameled flat aluminum wire, 200 grade polyamideimide enameled aluminum flat wire, 220 grade polyamide enameled flat aluminum wire.