duct machine:Line 5 combines a feeding metal frame, leveler grooving roll, hydraulic notch and punch square machine, hydraulic s

duct machine:Auto-line V includes a metal feeding frame, levelling and grooving equipment, hydraulic punching square notch equipment, hydraulic cutter, movable Pittsburgh lock machine, duplex trans-verse flange manufacture machine, TDF hydraulic folder and CNC system. Its highly efficient and can save work area. It is possible to produce square duct of small cross section area of 200X200mm.

ACL Duct machine