... 2.Erosion-resistant 3.Long life span Galvanized Steel Coil Specifications:1.Material: Galvanized steel/Hot-dipped galvanized Coil.2.Steel grade: TDX51D, TDC51D, TSGCC, CGCC3.Width: 200mm ... drainage pipe, retailer booth, roller shutter door. Inside: Door, light steel roof structure, folding screen, ceiling, elevator, stairway. 2).Transportation Inside ...