1.Sheet Thickness:0.35-0.65mm 2.Feeding width:1219mm,1220mm 3.Effective width:1018mm Usage Of Roof Panel :The Construction machines can produce various of steel roof and wall panel, it is a new building materials ,the products are widely used as the roof and wall of factory, warehouse, garage, gymnasium, exhibition center, cinema, theatre, etc. It has many advantages, such as easy installation, ...