Star Lake Bioscience Co., Inc. Zhaoqing Guangdong engages in the research, development, production and sales of food additives, feed additives, pharmaceutical intermediates, biochemical raw materials and preparations. Its products include 5'-flavored nucleotide disodium, ribavirin, adefovir dipivoxil tablets and adenosine. The company was founded in 1964 and is headquartered in Zhaoqing, China.