we used PVDF printing abroad: AKZO Holand , KCC Korea, PPG American, Carlsberg, and so on. Good quality high strength metal: Our company use the south-west and RuiMin aluminum, we can produce the max measure is 1600X7000MM , Its structure mainly by the panel, strengthen tendons and the angle of code. Kok code directly by the panel bending, stamping molding, but also in the panel with a small edge riveting Kok Code molding.