... customer's sample (common:sea blue, white grey and bright red)(14)MaterialQ195,Q235,DX51D+Z,DX51D+AZ,SGCC, ... , PVDF, HDP,SMP ect.(18)Surface TreatmentGalvanized, Chromated , Bright Finished, Spangle, Fingerprint Resistance.Types of Corrugated steel roofing sheet ... 5)Special Requirement: OEM design is avalible(special size /material or label ect.)Honours and Certificates Company Certificates:(1)China ...