Ec Fan, DC Brushless Fan, External Rotor Motor Fan manufacturer / supplier in China, offering 146mm 24V 48V Ec-DC Centrifugal Fans and Radial Double Inlet Blower Fans for Extruders, Free Standing D1g133 24V DC Squirrel Cage Air Ventilation Filter System Air Cooler Dual Inlet Centrifugal Blower, 280mm 390W 230V Ec-AC Input Backward Curved Centrifugal Radial Fan and so on.