This product is made of high-quality electrical round copper wire or enameled round copper wire as the conductor, polyethylene as the insulating layer, and modified polypropylene as the insulating sheath. It has good waterproof performance, mechanical performance and electrical performance. It is suitable for all kinds of electrical appliances and driving devices that work under water-filled submersible motors or similar conditions, and meets relevant environmental protection standards. Conductor preparation adopts GB/T3953 or GB/T6109 standard, and the product conforms to JB/T4014 standard. This product is suitable for voltage 380V, temperature resistance -10 ℃-70 ℃,PH value 6.5-8.5, water pressure 1MPa, frequency 50Hz-60Hz. The product performance is stable and reliable during use.