Sunshine Guojian Pharmaceutical (Shanghai) Co., Ltd, a biopharmaceutical company, engages in the research and development, production, and sale of antibody drugs. Its products include YISAIPU, a tumor necrosis factor inhibitor type II-antibody fusion protein for the treatment of autoimmune rheumatism and immunology; Septin, an injection for anti-human epidermal growth factor receptor-2 treatment; and Jiannipa, a recombinant anti-CD25 humanized monoclonal antibody injection to prevent acute rejection caused by kidney transplantation. The company was founded in 2002 and is based in Shanghai, China.