Chunghwa Chemical Synthesis & Biotech Co., Ltd. engages in the research, development, manufacture, and wholesale of active pharmaceutical ingredients (APIs) in Taiwan and the United States. It offers API products, which include immunosuppressant, oncology, cardiovascular, and other products, as well as peptide drugs. The company also develops bulk pharmaceutical products, such as anti-anxiety agents, antidiabetics, laxatives, antifungals, antihistamines, antiseptics, antiulcerants, cardiovascular drugs, skeletal, muscle relaxants, hypolipaemics, antineoplastic, antihyperlipedemias, and immunosuppressant products, as well as provides research and development, and contract manufacturing services to new drug developers and generic drug companies. The company was formerly known as China Chemical Synthesis Industry Co., Ltd. Chunghwa Chemical Synthesis & Biotech Co., Ltd. was founded in 1964 and is headquartered in New Taipei City, Taiwan.