Helix PVC Spiral Suction Hose Tube Pipe Extrusion Machine Line Equipment 2.1/2 Inch- 6 ... Zhejiang Sali Abrasive Technology Co., Ltd. Base Info Description Pre：1/2 Inch - 2 Inch Rigid PVC Reinforced Spiral Hose Production Equipment Next：2.1/2 Inch - 6 Inch Helix PVC Reinforced Spiral Hose Extrusion Line
