Centrifugal Fan, Axial Fan manufacturer / supplier in China, offering Diameter 500mm High Flow Axial Fans Bathroom Exhaust Fan for Industrial Ventilation D500, Diameter 355mm 230V Ventilation Blower Cooling Ec Backward Centrifugal Fan for Air Conditioning, Diameter 310mm Backward Curved Blowers Aluminum Fan for Commercial Kitchens and so on.