custom die casting aluminum impeller 1.Material:Metal(SS,Aluminum) 2.Precision CNC Turning,Drilling,Boring,Milling stainless steel impeller/ ... partsPrecision turning piecesMold makingMetal Extrusion III. MATERIAL CAPABILITIES Carbon steel, alloy steel, stainless Steel etc.Brass, bronze, aluminum, magnesium, Aluminum alloy, ... cast iron etc.PP,PE,ABS,PET,PVC custom stainless steel impeller/Turbine Wheel