PE, PP, PVC, OPP materials of plastic bags machine,can be equipped with 3-side sealing and self-styled bag making machine. 3-side sealing bags making machine matched with ultrasonic welding machine.1,Uses: PE, PP, PVC, OPP materials of plastic bags machine,can be equipped with 3-side sealing and self-styled bag making machine.as pipeline automatic welding production.2, Features:1) Using ...