Mainly complete the forming of TDF flange duct, The daily processing capacity is 600 to 2500m². While in production, only need to input the size of the processing duct, then the auto duct line can automatically complete the uncoiling, leveling, beading, notching and punching(punching holes), shearing, high speed Pittsburgh lock forming, TDF flange forming "C" shape flange forming, plugging function, servo folding and forming.