Shandong Guanghao Biological Products Co., Ltd is one of the largest supplier and manufacturer of high-quality nutritional ingredients.The company`s products have been exported to more than 20 countries and regions, including USA, Canada, Europe, Australia etc. Our mainly products including chondroitin sulfate, glcosamine ,chtosan and chitosan oligosaccharide .We have advanced equipment and Inspection&Testing center under GMP standard. All the experimental facilities are imported from Swiss ,...View More