Tonrol Biopharmaceuticals

Tonrol Biopharmaceuticals is a Chinese biotechnology company specializing in the research, development, and manufacturing of plasma-derived therapies. Founded in 1993 and headquartered in Hefei, Anhui, the company is a major producer of blood products including human albumin, intravenous immunoglobulins (IVIG), and specific immunoglobulins for rabies, hepatitis B, and tetanus. In 2014, Tonrol was acquired by Shanghai RAAS Blood Products Co., Ltd., becoming a key subsidiary within one of China's largest blood product groups. The company operates multiple plasma collection centers and maintains GMP-certified manufacturing facilities to supply critical treatments for conditions such as hemophilia, immunodeficiency, and acute hemorrhage.