... as low noise, high efficiency, easy operate, lower price. Double Layer Tile Roof roll forming machine Has good feature such ... , high efficiency, easy operate, beautiful appearance and so on.Double Layer Tile Roof roll forming machine Parameter: 1.appearance size ... 1set3.auto-cutting knife 1set4.computer controlled box 1set5.moulding press machine 1set6.man-made holder 1set Double-Layer Roll Forming ...