... ,Aluminum Sand Casting Process with Precision Molds and Tooling,ball blast on surface.OEM is acceptted. Material: aluminum alloy Die, sand and ... casting process Can offer three types of molds die castings, sand castings and permanent mold casting (gravity or chill casting) ... capacity: 200 to 500 tons/month Auto Part,aluminum sand casting,T6 heat treatment,surface powder coated,precision tooling