This machine manufacture of square and rectangular tube in large quantities. Product is finished in a single run. Easy and safe to operate, reduced labor requirements The process of machine works from flatting, forming, welding, annealing, polishing, sizing, straightening, finishing, cutting, and tube unloading. It can be done at one time. The machine adopts humanized design, featuring easy and safe to operate, labor saving, cost reduction, reducing lose and increase value of the product to reach high efficiency.