Color Steel Coil 1.Cerficate:ISO:9001 2.Thickness:0.2-1. ... Zn80---290g/m2Inner diameter: 508mm--610mmSurface Treatment: coatedCertification: ISO9001Weight of coil: 3--8 tonsPackage Method: Vertical, horizontalPainting thickness: 25 microns on ... at high strength, strong fastness, good rain proofness, good corrosion resistance, simple installation, lower time-consumption, low construction cost, etc. ...