The wrapping film of the packaging material is also used as a stretch film or a packaging film, resulting in a good self-adhesive and retractable memory function. At the same time, a new generation of environmentally-friendly packaging materials widely used in the world is widely used in printing and papermaking......

The wrapping film of the packaging material is also used as a stretch film or a packaging film, resulting in a good self-adhesive and retractable memory function. At the same time, a new generation of environmentally-friendly packaging materials widely used in the world is widely used in printing and papermaking......