stainless steel Blade wheels 1.Material:Metal(SS,Aluminum) 2.Precision CNC Turning,Drilling, ... other services. The line of production: valves, construction parts, auto parts, railways parts, marine parts, structure parts of printer, copycat, electrograph, connector (civil , military, aviation ... ,ABS,PET,PVC stainless steel turbine part/Supercharger impeller/Blade wheels