45mm Extruder Helix PVC Spiral Suction Hose Extrusion Line 1/2'' - 2'' Zhejiang Sali Abrasive Technology Co., Ltd. Base Info Description Pre：Helix PVC Spiral Suction Pipe Extrusion Line 1/2 Inch to 2 Inch Next：Sj45 Helix PVC Reinforced Spiral Suction Hose Production Equipment 1/2 Inch to 2 Inch
