With the progress of society, the continuous development of industrialization, the scale of the food and pharmaceutical industry continues to expand, the degree of automation continues to improve, and the use of water pumps in the industry is becoming more and more common. The production equipment of our company, the food industry can use food grade stainless steel 304 material production, the pharmaceutical industry according to different media conditions, can choose different materials, highly toxic liquid using static seal, strictly avoid the situation of dripping.