Hvsen Biotechnology Co., Ltd. engages in the research and development, and manufacture of macrolides APIs and preparations in China and internationally. Its products include tylvalosin raw materials, various tylvalosin preparations, florfenicol preparations, and other macrolides products. The company produces various veterinary drug products of raw materials and preparations, as well as traditional Chinese medicines extractives. Hvsen Biotechnology Co., Ltd. is based in Wuhan, China.