... layer rotary die film blowing machine.film blowing Name:3SJ-G Series Three layer Co-extrusion Rotary Die Film Blowing MachineperformanceThe ... salt vegetables,freshi milk,drink. Features1,Die head is layer type siral mandrel,continuous 360°rotation.2,Screen pack changer design ... 250 250 300 Max.Folding Width of Film1000mm1200mm1500mm 3SJ-G Series Three layer Co-extrusion Rotary Die Film Blowing Machine