acryllLED light box With silk-screen printing Single or double sides Application:Widely used for advertisement in mall Acrylic LED light box:(1) ... requirements,Brief manufacturing of the process:Paint-spraying,sand-blasting,silk-screen,printing,hot-bend orming,grinding,polishing,laser engraving& ... machine,laser engraving machine, engraving machine,baking etc. acrylic LED light box (many types)