Hangzhou LuoSen mainly manufacture steel roll forming machine & steel building material, it is an enterprise that specialized in Producing and mainly exporting all kinds of steel roll forming machines, annually output more than 200sets high quality Wall & roofing roll forming machines, Color Tile roll forming machine, C&Z shape purlin roll forming machine, floor decking roll forming machine, Slitting machine, Cut to length machine，EPS roll forming machine, PU sandwich panel roll forming machine, stone coated sheet production line…..