Anti-corrosion pump, as its name implies, is a pump with corrosion resistance, which is mainly used for conveying corrosive liquid. Acid-alkali resistant pump is suitable for pumping, circulating and discharging all chemical liquids and sewage containing acid and alkali corrosive components, and is widely used in electroplating, electronics, chemical industry, leather, dyeing and finishing wastewater, waste gas and other industries. According to the position of the pump shaft, the pump can be divided into vertical pump and horizontal pump.