Terranduct®, made by MBP technology, represents the future development of air duct materials by improving the overall performance while satisfying the performance of each individual material. It can be used in various fields of air-conditioning ducts and duct systems, with various types of supply air ducts, return air ducts, fresh air ducts, and various fittings such as plenum boxes, through-wall sections, dampers, diffusers, etc, to realize the integrated solutions of supply and return air duct.