Lamp pole, Made of Aluminum Alloy by Sand Casting, Then Sand Blasted, Drills and Powder Coated,OEM order is accepted Material: aluminum alloy Die sand and mold casting process Can offer three types of molds die castings, sand castings and permanent mold casting (gravity or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD, PDF and solid works 2008 flow analysis Further machining work: ...