Line IV consists of a metal feeding frame, leveler and grooving roll. Hydraulic notch and punch square machine, hydraulic shear, movable Pittsburgh lock machine, duplex transverse flange manufacturing machine, and CNC system.
Line V consists of a metal feeding frame, leveler and grooving roll. Hydraulic notch and punch square machine, hydraulic shear, movable Pittsburgh lock machine, duplex transverse flange manufacturing machine, TDF hydraulic folder and CNC system.