Processing water volume of 8-1000m3/h, circular steel structure support frame, tower body made of fiberglass, water collection tray made of fiberglass, fan and motor directly connected, tubular water distribution, high * water collector, filler available in wound or adhesive type, can be made and installed with sound-absorbing shielding and sound-absorbing blanket according to different usage requirements, making it an ultra-low noise cooling tower with small investment, small footprint, strong applicability, widely used in civil air conditioning systems.