Shandong HaiYu Biotechnology Co., Ltd was established in June, 2005. It is located in Yanzhou City, the hometown of Confucius. The company is specially engaged in the development, manufacturing and marketing of biology products, medicine and health care products. Our products like Chondroitin sulfate sodium have been highly appreciated and widely recognized both at home and abroad, such as Europe, the USA, Canada, Australia, Southeast Asia and so on.