Centrifugal Fan, Axial Fan manufacturer / supplier in China, offering Hot Sale High Pressure 225*99mm Backward Ventilation Cooling Centrifugal Air Blower Inclined Industrial Fan for Air Conditioner HVAC, D310mm Energy-Efficient Ec Backward Ventilation Cooling Centrifugal Air Blower Industrial Fan for FFU System, D250mm External Rotor Energy-Saving DC Backward Ventilation Cooling Centrifugal Air Blower Industrial Fan and so on.