aluminum curtain wall Aluminum curtain walling. Cast Aluminum building materia for building outer decoration.·Material: aluminum alloy·Sand casting, Made of Aluminum Alloy, powder coated process surface,suitable for Auto engine,OEM Orders are Accepted·Product weight: 0.010 to 200kg/piece·Software for drawing: pro/E, auto CAD, solid work 2007, UG, CAD and Solidworks flow analysis·Further machining ...