For our Product , stainless steel paint which is on the surface. Down there is 10 mm acrylic . For the M4 and M3 it can fixed LED light boxes.
There are three seasons to choose our product . First we can provide a high quality production. Our LED light box has a long service and energy saving . Second , company have a masterful welding technology ,which is accurate flawless and grandeur . Last ,we also can provide precise and reasonable LED light box design .