Extrusion Line, Pipe Making Machine manufacturer / supplier in China, offering Sjsz-110/220 Conical Twin Screw Extruder 200kw Big Plastic PVC Pipe Plate Extrusion Equipment, Sjsz 65/132 Twin Screw Extrusion 120kg-200kg Output PVC Half-Round Square Roofing Plastic Rain Water Collector Gutter Production Line, Beierman 7 Inch Half Round PVC Building Villa Rood Rain Water Collector Gutter Twin Screw Extruder Production Line Vertical/Horizontal Gearbox and so on.