Celltrion Healthcare Co., Ltd. engages in the manufacture, processing, and sale of biosimilar and biological medicines to patients around the world. Its products include Remsima, a monoclonal antibody biosimilar that is used for rheumatoid arthritis, ankylosing spondylitis, ulcerative colitis, adult Crohn's disease, Crohn's disease in children, psoriasis, and psoriatic arthritis; Truxima, which is used for lymphoma, chronic lymphocytic leukemia, Wegener's granulomatosis and microscopic polyangiitis, and rheumatoid arthritis; Herzuma that is used for metastatic breast cancer, early breast cancer, and metastatic gastric cancer; and Remsima SC, which is used for rheumatoid arthritis. The company was formerly known as Nexol, Inc. and changed its name to Celltrion Healthcare Co., Ltd. in March 2009. Celltrion Healthcare Co., Ltd. was founded in 1999 and is headquartered in Incheon, South Korea.