Downspout forming Machines rolling machine for gutter, cold forming machine for drain tube Downspout forming Machines, rolling machine for gutter, cold forming machine for drain tubeDescription and Specification1) Payoff unit: 4 reel armManually expand and contract. Diameter 46-520 mmMax coil weight 5 ton,Strip width: 400 mm2) Roll Forming Unit:Consisting of 18 sets of forming roll and 6 sets of ...