custom die casting aluminum impeller 1.Material:Metal(SS, ... impeller/Turbine WheelSpecifications1.No defects sand casting+CNC deeper processing. 2.Produce upon your drawing 3.Prompt delivery 4 ... .Superior surface finishedMachine processing,Turning part, CNC,wire hanger machine part Ⅰ.BRIEF ... , cast iron etc.PP,PE,ABS,PET,PVC custom stainless steel impeller/Turbine Wheel