we can use different materials to make the products of nickel iron alloy, high nickel wear resistant nickel iron, copper alloy, stainless steel and other materials for user selection according to different well conditions, and meet the requirements of different axle diameter requirements of users. When using the Submersible pump to extract oil, the motor starts the motor and drives the impeller to rotate, so that the pressure in the space is less than the pressure outside the space, so that the oil passes through the guide runner and the impeller channel into the accommodation space.