Light box with header HeaderLight box1.2*0.3m1.2*0.9m1.8*0.3m1.8*1.2m2.4*0.3m2.4*0.9m3.6*0.3m3.6*0.9m Lightbox process flow 01.Aluminum profile and hardware fixed 02.LED paste and check 03. Ceiling making 04.Logo installation and inspection 05.Factory inspection 06.Product packaging