... screen printing, spay coating, laser etching, back-lighted, hard/epoxy coating keypads5 Keypad surface with transparent spraying coating, PU coating6 Automatic ... Letter/GraphicPrintingand Laser etchConductive ContactInkPrinting, Carbon PillFinishMattor Gloss PU Coating,Epoxy Resin Coating, ectApplicationsMobilePhones, Remote Controllers, Scanners, etcSpecificationROHSDirective Compliant Green ...