... &ISO9001 certificate PPR tube production line, PPR pipes extrusion line, PPR pipes making machineSJ-65/33 series PPR tube production line is used for ... used for the water supply and agricultural plumbing.PPR tube production line has the following characters:1. high capacity and ... , oil printing machine,saw blade cutting machine, stacker2. automatic vacuum loader, SJ-65/33 high speed extruder, vacuum ...