The most commonly used cardboard according to the type classification: K corrugated, A corrugated, B corrugated and their combination, according to the base paper layer classification: corrugated board on the second floor, three, four layers of corrugated cardboard, five layer corrugated cardboard corrugated board, in order to cater to the diversity of the paper reveal frame, and the need of product features, often with other material (KT board, the snow board, PVC) together, so that the paper display rack can carry more novel shape.
