Advertising Billboards & Street Signs, Custom Design, Resistant to Environmental Conditions, Single / Double / Triple Sided. ... Signs, Projection Illumination, LCD, LED, Standard Light Box Materials: Custom as required - Acrylic Panel, Stainless Steel, etc... Framework: Metal ... teel, Cold Rolled Steel, Carbon Steel, Aluminum, Brass, Zinc, Iron, Cooper, Lead, Bronze, etc... We also do Precious Metals ...