Extrusion Line, Pipe Making Machine manufacturer / supplier in China, offering 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, Vertical Gearbox PVC Pellets/Pipes/Profiles Sjsz92/188 Double/Twin Screw Extruder Machine and so on.