The company has developed various types of air floatation equipment, such as combined air floatation, vortex fovea (air entraining) floatation, multiphase flow pressing and floatation, high efficiency shallow air floatation, small experimental air floatation equipment and so on. It has excellent performance, beautiful appearance and easy operation and maintenance. It is widely used in water supply and drainage treatment engineering. First, it is used to remove algae and turbidity in water works with lakes as water sources; second, it is applied to industrial sewage treatment projects, such as petrochemical, textile, printing and dyeing, electroplating, leather making, food industry and other fields. Third, it is applied to the recovery of useful substances in sewage, such as fiber recycling in papermaking and pulp water.