One Roll Forming Machines For Standing Seam Roofing can produce several types straight and tapered standing seam ... Machines for Straight and Tapered Aluminum Roofings, Roofing Panel Machines and Steel Roofing Machine's detailed informations' are as follows: Main ... Width400mm,425mm8.Material Width575mm,600mm Feature: Al-Mg-Mn roofing panels have rust-proof and high-strength characteristic of wide ...