TRI-WALL company is a group specializing in the manufacture and sales of packaging products, headquartered in Tokyo, Japan, we mostly produce and sell heavy duty corrugated board and at the same time, we also deal in various types of packaging materials, supplies and tools. TRI-WALL brand originated from the United States, mainly used for military industry, later developed in Europe, America and Oceania, and then entered Asian markets, grew and developed rapidly, now TW has become a symbol of three-layer corrugated board. With the development of our group, we will provide customers with more and better products, now we mainly provide such products as corrugated boxes, Uni-Pak returnable cases, steel pallets, PET packing straps, packing buttons, galvanized steel strip packaging materials which are produced by using our patent technology, X-type hollow boards which are produced by using German technology, plywood, particle board, and so on. Serving customer well is our honour, customersâ?? satisfaction is our ultimate pursuit!