Maanshan DaJi Machine Co., Ltd is one of the oldest duct machine manufacturer in China. We have engaged in designing and manufacturing duct machines by ourselves for over 10 years. Now our workshop covers more than 60,000 square metres and equips with over 200 sets of processing equipments. We got ISO9001:2008 and CE certification,British UKAS. Our products have been exported to nearly 100 countries in the rest of the world.The major products include: Auto duct line, TDF flange former, TDC flange former, Lock forming machine, Folding machine, Spiral tube forming machine, Plasma cutting machine, Round elbow making machine, Aluminum flexible tube former, Groove beading machine, Plate shearing machine, 3-roller bending machine, Section bending machine and Non-standard Roll forming Machine and Spin forming machine,etc.