... hydraulic power,stable jobs and high-yield, small vibration. Pipe forming machine :machine's compact is compact and strong ,used hydrulic power,stable ... to the pipe plug ,auto tubing ,duct,plumbing,airconditing pipe forming part of various shapes.To do bottlenecking, expanding, bulge, ... other shape processing forming. Item/ModSG-40SG-50SG-801SG-8011max suitable pipe materialΦ38*2.0tΦ50*2.0tΦ80*2.5tΦ80* ...