We are manufacturer which deals with science studying and producing natural animals and plants extraction products. It's organized by famous biochemistry specialists and professors from China Pharmaceutical University. We main manufacture following products:1. 2-Deoxy-D-Glucose2. Chondroitin sulphate3. Chitosan4. Chitosan Oligo Saccharide (Oligoglucosamine) 5. Water-soluble Chitosan (Carboxylmethyl Chitosan) If your are interested in our products. And want more information in details. Welcome to contact with us any time. Wish to cooperate with you soon!