... method , equipped with high-efficiency BM aparting screw, spiral combine mould, rotary winding and other high-new technical products. The product ... mixing and shrinking, high shrinkage. The film has been widely used for export products, like food, drinks, medicine, healthcare product, video ... ×7×15Total weight(approx)T2028 Three-Layer Co-extrusion Film Blowing Machine for POF Heat Shrink Film