Riboflavin (Vitamin B2) Food Grade suppliers Our History Jiahe Biological is a high-tech enterprise dedicated to the research, development, production and sales of amino acids and their derivatives. Headquartered in Shantou City, Guangdong Province. Subordinate Shantou headquarters production base and Shandong Xintai production base. Shantou Jiahe Japan, South Korea, Southeast Asia and other countries and regionsRiboflavin (Vitamin B2) Food Grade suppliers website:http://www.xintaijiahe-amino.com/