Ventilation Fan, Axial Fan, Centrifugal Fan manufacturer / supplier in China, offering Dkt Double Air Inlets 300mm Centrifugal Blower for Hotel/Manufacture/ Company/Farm, Portabe AC Centrifugal Fan Electric Air Blower Taiwan Mini Centrifugal Fan 2.5 3 4 5 Inch, Portable Ventilator Axial Fan with Duct Ventilation Fan 8" 10" 12" 14" 16" 18" 20" and so on.