... based on international advanced technology. it is a kind of polyolefin heat-shrink film machine with double bubble forming method , equipped with high ... temperature resistance, durability in mixing and shrinking, high shrinkage. The film has been widely used for export products, like food, drinks ... 518×7×15Total weight(approx)T2028 Three-Layer Co-extrusion Film Blowing Machine for POF Heat Shrink Film