Home default Twin screw extruder and haul-off unit adopt imported A/C inverter, both vacuum pump and driving motor used the top grand. Twin screw extruder and haul-off unit adopt imported A/C inverter, both vacuum pump and driving motor used the top grand. Pvc Pipe December 11, 2019 Share: Facebook Twitter Pinterest Twin screw extruder and haul-off unit adopt imported A/C inverter, both vacuum pump and driving motor used the top grand. ... Click to read moreOthers news: Another news: