... split-level spiral type, can 360 degree continuous rotation.Machine with some function equipment parts: remember length equipment, ... cooling water discharge, nip rolls, etc.three layers co-extrusion blown film machine is according to market to develop, and ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Three layer Coextruded Film Blowing machine China