Air Duct Forming Customized Air Duct Production Lines Coil, Lamination, Beading, Punching, Forming, Flanging Thickness 0.3-2.0mm/Material: Galvanized sheet, stainless steel/ U Shape Auto Duct Forming Line 5 Coil, Lamination, Beading, Punching, Forming, Flanging Thickness 0.5-1.5mm/Material: Galvanized sheet, stainless steel/ Linear Type Auto Duct Forming Line Coil, Lamination, Beading, Punching, Forming, Flanging Thickness 0.5-1.5mm/Material: Galvanized sheet, stainless steel/ Spiral Duct Forming Machine （Steel strip mould） Spiral duct diameter: 80-1500mm/length 8000mm/speed 1-45m/min Material: galvanized sheet, stainless steel, aluminum Spiral Duct Forming Machine （ Fixed mould） Spiral duct diameter: 80-1600mm/length 8000mm/speed 1-80m/min Material: galvanized sheet0.4-1.2, stainless steel0.8, aluminum1.2 Positive Pressure Aire Supply Outlet Production Line Ширина доски: 300 мм/скорость: 8 метров/мин Unwinding, Leveling, Slotting, Punching, Flanging Automatic Damper Frame Forming Production Line Thickness: 1.5-2.0mm/ Plate width: 450mmMax/Feeding speed: 8m/min/ Uncoiling, Leveling, Notching, Punching, Shearing, Flanging, Forming
