... Screw:45mm 3) CE certificate JL-45 Zipper Extruder bag making machineUsage:1. JL45 B is an improved type of ... , a dehydrating device, an air-drying device, a zipper sealing device, an automatic winding device, etc.4. Moulds have ... device, an air-drying device, and a standalone zipper sealing device.JL45B adopts the cast aluminum heating ring, and ... 1300 X 2000 MM JL-45 Zipper Extruder bag making machine