北京赛而生物药业

Beijing Saier Biological Pharmaceutical, a subsidiary of CSPC Pharmaceutical Group, is a specialized Chinese biopharmaceutical company focused on the development and production of recombinant protein therapeutics. Established in 1995, the company is a key player in the Chinese biologics market, primarily known for its interferon and colony-stimulating factor products. Its flagship offerings include Sai Ruo Jin (Recombinant Human Interferon α2b) and Sai Ge Li (Recombinant Human Granulocyte Colony-Stimulating Factor), which are used to treat viral infections, hematological disorders, and oncology-related complications. The company operates advanced GMP-certified manufacturing facilities in the Beijing Economic-Technological Development Area. As part of the CSPC Group, it leverages extensive resources for clinical research and nationwide commercial distribution.