This new patented FFS packing machine is specially work for PE tubular film. It forms pouches in-line before they are filled and sealed, when tube film is used. The PE tubular film is blown from Blowing film machine directly, NO need forming collars and back seaming. Thus, our FFS excludes any back sealed Jaw, more simple design for easier operation. Plus, the PE tube film is lower cost than Laminated film, the fabrics can save much money in machine and film cost.