pvc tube production line can process pipe size range from 16-630mm. pvc tube production line 1) Uses SJSA double screw extruding machine as the main machine, assistant machinery: Vacuuspray shape fitting box, three-track hauling off machine, cutting machine, belling machine 2) Can produce pipe in the range: 20 - 630mm 3) Pipe is widely used in water transfer or ejection 4) Using kinds of moulds, ...