Auto Part,Aluminum Sand Casting Process with Precision Molds and Tooling,ball blast on surface.OEM is acceptted. Material: aluminum alloy Die, sand ... permanent mold casting (gravity or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD, PDF and solidworks 2008 flow ... , power coated and anodizing OEM and ODM parts range: auto parts, electronic parts, furniture parts, home appliance and other ...