Road Sign, Traffic Sign, Aluminum Sign Blanks manufacturer / supplier in China, offering Anodized Aluminum Sign Plates - Custom Engraved/Digital Printed - OEM Available - China Manufacturer, Anodized Aluminum Traffic Sign Blanks – Blank or Pre-Printed for Custom Roadway & Parking Lot Signage, DOT-Compliant Aluminum Stop & Speed Limit Signs – Diamond, Rectangular & Circular Shapes for Traffic Safety and so on.