Helix PVC Spiral Suction Hose Tube Pipe Extrusion Machine Line Equipment Zhejiang Sali Abrasive Technology Co., Ltd. Base Info Description Pre：500kg Per Hour Rigid PVC Pelletizing Line 80-156 Conical Twin Screw Extruder Next：Helix PVC Spiral Suction Hose Extrusion Line with 30 Meters Water Tank
