Lamp shade,Made of Aluminum alloy via sand casting craft,power ... 0.010 to 100kg/pcs Die, Sand and Mold Casting for Over 13 years Unlike most of our competition, we offer ... and permanent mold casting(gravity casting or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD,PDF and Solidworks2008 ... produced Casting capacity: 200 to 500 tons/month Cast Aluminum Lamp Shades (ISO9001:2000)