A company in Japan and a company in the United Kingdom jointly produced TRI-WALLPAK corrugated cardboard, a new packaging material made of paper and wood, whose technical performance conforms to the United States national standard PPD-B-640D and the world's 42 national government standards. This kind of packaging corrugated board has high strength, large capacity, light weight, and the weight of the box is only 25%～30% of the weight of wooden box with the same volume; good water resistance, strong sealing, good buffer effect; beautiful and practical design, flexible and diverse, saving Storage space, suitable for folding and stacking, convenient transportation; individual specially designed cartons can be reused.