gi corrugated roof sheet 1,galvanized Corrugated Roofing Sheet 2,Thick:0.18~1.20,Corrugated Roofing Sheet 3,Wid:750~1200Corrugated Roofing Sheet:gi corrugated roofing sheetGalvanized Corrugated Steel Roofing Sheet: for roof tileCorrugated Steel Roofing Sheet, Steel Roofing SheetThe advantage of the corrugated steel roof sheet1,light weight,Steel Coils2,high strength3,water-proof and fire-proof4, ...