Kunshan, Kunshan hollow board corrugated board turnover box PP hollow board for double-wall, in the middle stud support section to form a rectangular or square lattice, stud was parallel structure, it said hollow board, is a new type of environmentally friendly packaging materials, in the course does not produce dust, and long life, is 4-10 times more than the life of corrugated cardboard, recyclable, there is a gradual trend instead of paper corrugated board, mainly reflected in the product packaging. Tel; Mr. Han: 15806203507