This product is a white, spherical porous particle, with the properties of non-toxic, tasteless, non-powdering, and insoluble in water and alcohol. Manufactured by special technology, with an unique construction, it has a very strong affinity with activity components in surroudings, and has suitable pore size, high water absorption capacity, low bulk density, and nice stability. It is widely used in the production of fertilizer low-temperature sulfur-resistant shift (Co-Mo) catalyst.