3SBio Inc., an investment holding company, develops, produces markets, and sells biopharmaceutical products in Mainland China and internationally. The company provides TPIAO, a recombinant human thrombopoietin to treat chemotherapy-induced thrombopenia and immune thrombocytopenia; Cipterbin, an anti-HER2 monoclonal antibody for the treatment of HER2-positive metastatic breast cancer in combination with chemotherapy; Interferon, a human interferon a2a for injection; and Inleusin, for the treatment of renal cell carcinoma, melanoma, thoracic fluid build-up caused by cancer and tuberculosis. It also offers YISAIPU, the receptor-antibody fusion tumor necrosis factor inhibitor; Mendi-minoxidil tincture, an OTC external medicine for treating hair loss; EPIAO and SEPO, an erythropoietin injection; SPARIN, an injectable low-molecular-weight heparin calcium; and Xenopax, a recombinant humanized anti-cd25 monoclonal antibody injection for prevention of acute rejection after renal transplantation. In addition, the company provides TPO-105 Pediatric ITP; SSS12 Cinacalcet hydrochloride; SSS13 Sevelamer carbonate; 301S TNFR-Fc protein; AP506 Apremilast; SSS32 Tofacitinib; and MN709 Minoxidil Foam. Further, the company provides trading, project management and consultation, technology, sports, financial, investment advisory, and agricultural services. It has collaboration agreements with companies, such as Toray Industries Inc, and Toray. The company was founded in 1993 and is headquartered in Shenyang, the People's Republic of China.