... Transom Window with Sand Casting and Powder Coated Process, Suitable for Construction Model Number:DR-D078 Material: aluminum alloy Process: ... casting and permanent mold casting (gravity or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD, PDF ... parts, electronic parts, furniture parts, home appliance and other industrial uses Processes: CAD service, metal processing, surface plating, QC ...