WB(S) series pumps are stainless steel corrosion-resistant centrifugal micro-electric pumps developed by our company. The impeller of the pump adopts a semi-open structure. As the product integrates excellent structure, performance and shape, and the flow-through parts and connecting frames are made of high-quality stainless steel, the two series of products have a series of advantages such as reliable corrosion resistance, convenient use and maintenance, compact structure, low energy consumption, good sealing performance, etc. This series of pumps can transport liquids with a temperature not higher than 103°C, containing fine soft particles or fiber, corrosive or hygienic liquids, and are widely used in food, beverage, medicine, sewage treatment, chemical industry, electroplating, bleaching and dyeing, fine chemical industry and other industries.