Square Downspout Machine is rolling forming machine used to produce the square pipe which is used to rain flow down from the house roof. The thickness of the square tube is 0.3-0.8 mm. The square downspout machine is inner locked after roll formed. It no need the welding and the tube seam is pressed and roll formed closely. Square downspout machine include below parts: manual de-coiler, the main roll forming machine and the electric saw cutting system.