Centrifugal Fan, Axial Fan manufacturer / supplier in China, offering D250mm High Air Volume Ventilation Blower Cooling DC Backward Centrifugal Blower Industrial Fan for Mechanical Arm Cooler, D250mm Ec/AC/DC High-Efficient Ventilation Blower Cooling Inline Backward Centrifugal Blower Fan for HVAC Systems, D250mm Ventilation Blower Cooling Backward Centrifugal Medical Fan for X-ray Equipment Cooler and so on.