... Description Film blowing machine for zipper bags making,zipper film blowing machine,zipper bag making machineIntroduction.Based on the Film Blowing Machine, this machine is designed creatively. With ... , industrial products, clothing, fabric and industrial prducts for civil use.Main Specification.Model Zipper-55Zipper-65MaterialLDPE(Density: 0.921, Volume Index: 3 ...