VFFS Packer: Professional Soft Bag Sealing &Filling, Cutting and Sealing Packer. (three-side, and back sealing, guesst ) Vertival Filling & Sealing Bagger: (three side bag or back sealing bag, guesst as ... self-diagnose function, automatic alarm and trouble shooting instruction.>>Suitable for pillow bag, gusseted bag, chain bags, and pothook bag.Optional Components:*Printer*Gusset ...