Liyuan pump series are high performance and wear resisting phreatic submersible electric pumpsin mid 90's.The driving part adopts the standard of american and italian submersible motors,the body is covered with stainless case,and the rush pith is made with high quality wear resisting alloy and compound stainless materials,equipped with multi level alloy and anti wearing bearing structures with high wear resisting rubber. the pump is characterized by small caliber,high flow,excellent adaptability,sand proof,high wear resistance,long life and energy saving.it is the ideal equipment for industrial water,drinking water,water pumped into fields and water for geological phreatic use and lowering water engineering.