... and best price Technic parameter of pipe end forming machine :GM-40 End Forming Machine is a kind of high efficiency, full-auto ... , enlarge or blunt pipes. The processed shapes, includes concave-convex section, long, flat, square, enlargement, slanting, V-shaped, open ... be changed. It is a kind of high efficiency end forming machine.1. ConstructionBed used welding pieces, imports of hydraulic systems ...