Ec Fan, DC Brushless Fan, External Rotor Motor Fan manufacturer / supplier in China, offering 450mm High Performance 24V 1050rpm DC Axial Ventilation Fan for Hybrid Systems, 175mm 1.8A 85W DC Backward Curved Centrifugal Fan for Equipments Cooling Project, 48V 175mm Plastic Radial Impeller Waterproof DC Backward Centrifugal Fan with IP55 and so on.