... 2008 4.SPCC/SECC/AL 2012 OEM newest LED light box1laser cutting 2CNC shearing punching,bending3welding,painting power ... :+/-0.05-0.1mm6process cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling,etc 7thickness0.5-15mm8materialsteel, stainless steel, aluminum ... .our products show: 2012 OEM newest LED light box,aluminum led slim light box , led box display , LED cabient ...