... -extrusion Film Blowing Machine. This is an 3 layer Co-extrusion Film Blowing Machine, with high output, stable performance. ... various materials. 2, Die head and cooling wind ring rotate and rolling up of film are even and smooth. 3, Change of package, applying ... , such as corona treating machine, device of drawing side in and so on. 5, Suitable raw materials: LDPE, HEPE, LLDPE, EVA ...