square tubeformer fabrication galvanized steel ventilation machine



YSD duct production machines are: automatic duct production line, CNC Angle steel flange production line, double (single)linkage TDF flange machine, Angle code mould, plasma cutting machine, seven functions locking machine, manual( pneumatic )crimping machine, five lines (seven lines) beading machine, Angle crimping machine, reel shear beading machine ,leveling bending machine,steel-bend type,horizontal shrimp bend machine,pneumatic joint machine,Angle setter,bias samsung rolling machine.

































DUCT LINE 3