Hubei yufeng biological engineering Co., ltd set up in the year 2000. It is a high-tech private-owned corporation that doing research on the chitin and further give it manufactured and sold. The company located in the high-tech industry zone of zhuankou economic development zone. The company has 5 staff that are professors, doctors and senior engineers respectively,58%of the men are above college academic level. The research is mainly based on the life sciences college of Hubei university and the chitin research center of Wuhan university. Our main product is the hemicellulose substrated chitosan oligosaccharide, which gained us 900 thousand yuan that provided by the science and technology office for supporting the medium-sized corporation innovation. This product gained a invention patent and a new practicality patent. More significant, the project has been passed and authorized by the science and technology office as a torch plan project in 2003(2003eb021128). In april,2003, the company passed the examination of quality iso9001:2000. Now we have the ability to product 50 tons of chitosan oligosaccharide per year, which owns the first place of the nation and the best quality as well.