Detailed Product Description UPVC/PVC Pipe Extrusion Line:The advantages of SJSZ series conical twin-screw extruder:1 ... operate and aslo a facility line for our customers to choose. Because the maintenance of the line is easier than any other ... Pipe Production Line, PVC Pipe Extrusion Line, Pipe Extrusion Line,Pipe Production Line,Pipe Making Machine,Pipe Making Line,UPVC Pipe Extrusion Line,Water ...