... advanced technology. it is a kind of polyolefin heat-shrink film machine with double bubble forming method , equipped with high-efficiency BM ... , durability in mixing and shrinking, high shrinkage. The film has been widely used for export products, like food, drinks, medicine, healthcare product ... ×6×13.518×7×15Total weight(approx)T2028 Three-Layer Co-extrusion Film Blowing Machine for POF Heat Shrink ...