Ec Fan, DC Brushless Fan, External Rotor Motor Fan manufacturer / supplier in China, offering 250mm 24/48V DC Centrifugal Rechargeable Air Conditioner Fan for Equipment, 133mm 24V 48V Industrial Air Conditioner Fan DC Backward Curved Centrifugal Fan for Experiment, 350*130mm 220V/230V 400W Ec Axial Fan Extractor Ventilation Fan with Grid and so on.