Extrusion Line, Pipe Making Machine manufacturer / supplier in China, offering UPVC PVC 40mm-160mm Multi-Layers Pipe Twin Screw Extruder Sjsz65 Sjsz55 Double Screw Co-Extrusion Pipe Production Line, Durable PP Pipe Extrusion Single Screw Extruder for Municipal Engineering 100-300kg/H Output, Beierman Middle Hollow PVC Ceiling Panel Extrusion Line Sjsz80/156 Sj65/132 Twin Screw Extruder Production Line and so on.