One standing seam roofing forming machine can produce the staight and tapered standing seam roofings with ... -300-400-500 Standing Seam Roof Rolling Forming Machines for Aluminum straight and Tapered Roofing, Roofing Forming Machines, Rolling Machines are as follows: Main ... GP or 40'GP shipping container, and one machine can produce the standing seam roofing 300mm,400mm,500mm, and tapered standing seam ...