Lamp pole Made of Aluminum,By sand casting or permanent mold casting,then sand blasted and powder coated,OEM is accepted ... of molds die castings, sand castings and permanent mold casting (gravity or chill casting) Software for drawing: pro/E, auto CAD, ... 's drawings, specifications and samples Casting capacity: 200 to 500 tons/month aluminum sand casting lamp pole, light fittings lamppost ,Lamp Arms ...