Automatic flexible metal tube making machine Size:DN25 till DN300 Wall ... including the following:1. Elastomer Annular Hose Forming Machine: DN12-DN100 1). Diameter: DN12mm-DN100mm 2). ... the bellows: annular bellowsApplications: for auto exhaust bellows, flexible metal hoses, and expansion jointsControl: PLC controlLength: ≤7500mmExpanding ... ,350,400,450,500,550,600mm Flexible Metal Tube Making Machine