... Mould design,qucik sample Exit Sign, Cast Aluminum - Single or Double Sided - Self Testing- AC w/Battery Backup ... : Sawing, Deburing, Milling, Drilling, Turning, Tapping, Shearing, Insulation, Platic forming, HydroformingApplication:Aluminum exit signs offer attractive aesthetics ideal ... customer requirement. Exit Sign, Cast Aluminum - Single or Double Sided - Self Testing- AC w/Battery Backup ...