Centrifugal Fan, Axial Fan manufacturer / supplier in China, offering 280mm High Speed Industrial Ventilation Silent Motor Backward Curved Centrifugal Blower Fan, Plastic DC 310V Ventilating Backward Curved Centrifugal Fans for Refrigeration Equipment with CB, 12V 24V Cooling Ventilating Cross Flow Fan for HVAC Floor Unders Warmth and so on.