Hualan Biological Engineering, Inc. engages in the research, development, production, and sale of self-produced biological and blood products. Its products include intravenous human immunoglobulin, prothrombin complex, immunoglobulin, coagulation factor VIII and human fibrinogen, rabies immune globulin, hepatitis B human immune globulin, tetanus human immunoglobulin, innovative drugs, and biosimilars. The company was founded on March 30, 1992 and is headquartered in Xinxiang, China.