... X eave height 2) Different types: Single slopedouble slopeSing spandouble-spanMulti-spansingle floor, double floors3) Different Bases: Cement and ... Ventilators, down pipe, Galvanized gutter, etc 9) Surface:Two lays of Anti-Rust Paint10) Packing:Main steel frame ... shopping mall, exhibition hall, super market Standard and suitable market Cold regions such as Norway, Russian, North Canada, Finland, ...