1) Model:JL-45 Zipper Extruder 2) Screw:45mm 3) CE certificate This machine is suitable for LDPE and PP material,the zipper strip widely used for packing bag sealing and jointing of food,clothes and textile industrial products.It also can produce various zippers in different shapes through changing mould,forming, and forming through cooling water at a constant temperature, a dehydrating device, ...