Sino Biological Inc., founded in 2007 and based in the United States, operates within the manufacturing sector, specifically focusing on pharmaceuticals and biotechnology. The company employs between 501 and 1,000 individuals and reported a revenue of approximately $190 million. Sino Biological is involved in the development and research of immuno-oncology, a field that aims to enhance cancer treatment through the stimulation or restoration of the immune system. Their published document discusses the evolution of immuno-oncology as a significant strategy in cancer treatment, detailing various methods such as immune checkpoint inhibitors, adoptive cell therapies, and therapeutic cancer vaccines. The document highlights the historical context and advancements in immunotherapy, noting that these approaches share a common mechanism of action by targeting tumor antigens to stimulate T cell responses. Sino Biological's commitment to advancing cancer therapies is evident through their focus on innovative research and development in this complex and evolving area of medicine.