... .For easy roll 2.Winding formation 3.Blown film smoothness double-colour film blowing machine I plant the production of dualmode first prize ... ,advanced technology,rolling formation,and high production1. the host machine from a drive,twosided article Mitoya Barrel and a die ... its structure mandral spiral type,melt extrusion material uniform,thin-film-blowing finish well, air-cooled structure of the maze ...