Staidson (Beijing) Biopharmaceuticals. 

Staidson (Beijing) BioPharmaceuticals Co., Ltd. is a Chinese biopharmaceutical company that specializes in the entire lifecycle of therapeutic drugs, from research and development to production and market distribution. Their product portfolio encompasses a variety of drug types, including advanced protein-based medicines like therapeutic monoclonal antibodies, innovative gene and cell therapies, and conventional chemical pharmaceuticals. The company's primary therapeutic areas address conditions related to the nervous system, infectious diseases, gastrointestinal health, the urinary system, and autoimmune disorders. Notably, Staidson has established a strategic partnership with Pivotal S.L. to conduct clinical trials in Europe for BDB-001, a monoclonal anti-C5a antibody, aimed at treating patients with severe, progressive COVID-19 caused by the SARS-CoV-2 virus. Founded in 2002, the company's headquarters are located in Beijing, China.