THE Qingdao Media Biological Engineering Co. Ltd. Engages itself mainly in offering natural oceanic biological products such as chitosan oligosaccharide, collagen, biological enzyme and so on. It is an enterprise with high and new technologies integrated with technical R & D, production and marketing. It involves raw materials supply for multi-realms of feed, agriculture, cosmetics, medicine, etc. Equipped with first-class international devices for production and technology, this company possesses mature techniques in enzymolysis and separation, and is the largest supplier of chitosan oligosaccharide. Inspired by the core idea of "Ploughing the sea deeply and benefiting the whole world", this company never slows its steps on the way of heightening its technical levels in order to provide our customers with the most professional solutions in application of chitosan oligosaccharide.