The WFB series no seal, no leakage controlled self-priming pump is the company to introduce domestic and foreign advanced technology and experience, combined with the company's experience, optimize the design and development of new products, the product has multiple functions of temperature resistance, pressure resistance, wear resistance, "a drainage", "life-long self-priming" and so on. The product adopts stainless steel, fluorine plastic alloy reinforced polypropylene, cast steel, cast iron and other materials, widely used in electronic, chemical, fertilizer, metallurgy, pharmaceutical, oil, pesticides, paints, papermaking, electroplating, environmental protection, fire protection, municipal, food, beverage, water purification, anti military, textile printing and dyeing, mining, send mine, civil construction and other industries.