... thickness:0.12-1.5mm Color: Ral Certificate:MTC,ISO,Certificate of Origin 1 Color corrugated steel sheet general informationSpec: ... ,PPGLThickness:0.12-1.5mmColor: RalCertification: MTC,Certificate of Origin,ISOSurface Treatment:Zinc Azinc galvanized,color coatedFeature:Anti ... ,Sri Lanka,Vietnam,Philippine,Bangladesh,Russia,Ukraine,Iran,Turkey...... 1. Our business license2. Our Quality certification ...