... Southwest Aluminum (Group) Co., LtdPolyester coating:single coating, one layer, 18μm; double coating, two layers, 25~27μm.PVDF coating ... will be covered by oxide film to heighten the adhesion. Equipment:We have three multi-function high-speed main production ... multi-function production line”, which is applied to colorcoating, pattern printing, sanding and wire drawing, etc.New technique: 1. Velvet: ...