Automatic flexible metal tube making machine Size:DN25 till DN300 Wall ... all kinds of hose making machines including the following:1. Elastomer Annular Hose Forming Machine: DN12-DN100 1). ... the bellows: annular bellowsApplications: for auto exhaust bellows, flexible metal hoses, and expansion jointsControl: PLC controlLength: ≤ ... ,350,400,450,500,550,600mm Flexible Metal Tube Making Machine