For decoration,20 kinds of colors with smooth tidy surface,sour bearing, wind fighting,no radation and environment protecting. For decoration art and life art, 800,000m2/year in output, 20 kinds of colors, which have smooth and tidy surface, water resisting, sour bearing, wind fighting and no radationand environment protecting. Curved panel:Thickness: 18-20mmGeneratrix: 900mmRedius varies upon ...