We produce various of enamel sign based on your requests. Enamel sign , door plate, advertising sign board Size:depends on your request ... building, station ,exhibition center,bus stop,subway station , sign board ,etc.spray enamel glaze on the front and back ... following advantages:Anti-corrosion,Fireproof,Acid and alkali resistant,Easy cleaning,Weather resistant, free from the effect of ultraviolet ray ...