... backer paint on aluminum 3.Pass SGS Product Quality Report Polyester Aluminum Coil 1.Brief Company InformationDEJU aluminum Corp was ... series of color coated aluminum coil, such as PVDF coating, Polyester coating, pattern printing,embossing, and drawing. Our product has ... we use is from Southwest Aluminum (Group) Co., LtdPolyester coating:single coating, one layer, 18μm; double coating, two layers, ...