Impeller,aluminum sand casting, with Precision Molds and Tooling, OEM is accepted. Material: aluminum alloy Die, sand and mold casting process Can offer ... Software for drawing: pro/E, auto CAD, UG, CAD, PDF and solid works 2008 flow analysis Further machining work: turning, cutting, milling ... capacity: 200 to 500 tons/month Impeller,aluminum sand casting,with precision molds and tooling(ISO9001:2000)