Sangui BioTech International, Inc. is a holding company, which engages in the research, development, manufacture, and sale of medical and cosmetic products. It focuses on the development of oxygen carriers capable of providing oxygen transport in humans in the event of acute and chronic lack of oxygen due to arterial occlusion, anemia or blood loss whether due to surgery, trauma, or other causes, as well as in the case of chronic wounds. The company was founded in 1995 and is headquartered in Hamburg, Germany.