Goods details as below: 1) Model 3/5"-9"-35 1/2(15-225-900mm) Means rib height-pitch-width after corrugation 2)Thickness 20gauge-32gauge(0.2mm-0.8mm) 3) Length according to customers requirement 4) Surface treatment: galvanized / alu-galvanized /colored according to Standard Ral No. 5) Package: bundles with plastic films or water-proof kraft paper or according to you want. 6) Usage: wall & roof, used at industrial & civil constructions like warehouse, storerooms, garage, exhibition center, cinema ones etc. 7)Advantage: light weight, abundant color, anti-seismic performance, anti UV, keep good condition for long time.