... 3.width:600-1500mm corrugated galvanized roofing sheet china supplier 1.Common Size as followings: 762mm to ... high-strength, erosion-resistant, quakeproof, easy-installation, colorful, anti-rust, long life, etc.5. Application: steel structure ... matt surfaceSurface TreatmentChromated, dry or oiled, skin pass,anti-finger treatmentToleranceWidth: +/-0.02mmThickness:+/-0.02mCertificationISO 9001-2008, ...