... 2.material:aluminum 3.tablock type aluminum fan wheel/Impeller size Characteristics:Mainly apply on blowers equipment, HVAC ... Ltd. Business Type: Manufacturer Products: centrifugal fan, centrifugal impeller, high pressure blower, motors, cross-flow fan Number ... developing industrial centrifugal fan of various specifications, centrifugal impeller and diverse special motor wind distribution wheel(such as ...