Three-layer common-extruding rotary die-head machineFeatures and specifications: 1) Models: a) SJ-40X3/FM1000 b) SJ-45X3/FM1200 c) SJ-50X3/FM/15002) Film has good insulation and oil resistance3) Ideal for light and heavy-duty packaging4) Die head is layer type spiral mandrel with continuous 360° rotation5) Screen pack changer design is convenient, reliable, and safe in operation6) Various auxiliary components can be installed such as length counting device, vertical cutting device, cooling water row pipe, film spreading roller, and scrap collecting device