Rectangular duct semi-finished products: Mainly complete the common plate flange / angle iron flange or "C" flange duct forming, daily processing capacity of 600-2500 square metres. When producing, just input the size of the duct to be processed, the production line can automatically complete the uncoiling, levelling, ribbing, punching, (punching), shearing, high-speed joint nibbling, common plate flange forming/angle iron flange forming/"C" flange forming, blocking function, servo folding square forming.
