Kunshan advertising hollow board / hollow cardboard display Contact: Heidi 13815254575 pull PP pellets produced using extrusion at high temperatures, in the course does not produce dust, and long service life is 4-10 times the life of corrugated board above, recyclable, a gradual trend instead of paper corrugated board, mainly on the product packaging. In addition, as hollow plate light, good toughness, size and flexible, relatively low cost, with a variety of accessories molded hollow board turnover box has the advantage of alternative injection turnover box.