... ,competitive price,OEM service 3.Customized,easy fix LED channel letter signage specification 1MaterialBorder and back material: ... , painting and assembly by experienced senior technician3Lighting SourceLED Module built in4Lighting ColorAny Pantone for customized5LED FeaturesWaterproof, energy ... Union18ShippingDHL,UPS,FEDEX,TNT, OCEAN SHIPPING LED channel letter sign for advertising(Rohs+CE+ISO9001)