External & Internal Rotor Motor Fan manufacturer / supplier in China, offering 800mm AC Fan Axial Fan Cold Rolled Steel IP 54 F Class Insulation for Cooling Tower, 200mm DC Fan Axial Fan Nylon with Glass Fiber Reinforcement Max Power 79W for Recirculating Cooler, 320mm DC Fan Backward Curved Centrifugal Fan Aluminum Alloy 5052 Max Airflow 2390m3/H for Data Center and so on.