This product is made of high-quality electrical round copper wire, flat copper wire, enameled round copper wire or enameled flat copper wire as conductor, made of special polyimide film winding, with excellent oil resistance, electrical properties and strong mechanical properties, suitable for all kinds of submersible motors or similar conditions of electrical appliances, driving devices, and meet the relevant standards of environmental protection. This product is suitable for voltage 4KV-10KV, temperature -40 ℃-200 ℃, frequency 50Hz-60Hz, weak acid and alkali salt and oil resistance. The product performance is stable and reliable during use.