Detailed Product Description PVC Double-Pipe Production LineProduct Description This plastic pipe production line is mainly used in the manufacture ... for the manufacture of the inner wall spiral coil and core ply blister tube set according to ... Plastic Extruder, Pvc Pipe Line, Pvc Pipe Extruder, Pvc Pipe Production, Pipe Extrusion Line, Pvc Extrusion Line, Pvc Pipe Production Line, pvc pipe making ...