This machine is 3 layer Co-extrusion Film Blowing Machine. This is an 3 layer Co-extrusion Film Blowing Machine, with high output, stable performance.Feature: 1, Joint squeezing die head ... , EVA, polymer of PP ion body.6, Suitable film blowing structure: ABA, ABC, ABB, AB. Raw material MLLDPE, LLDPE, LDPE, ... subject to change withourt prior notice. SJ3 Series 3 layer Co-extrusion Film Blowing machine