China Isotope & Radiation Corporation is a China-based company principally engaged in the research, development, manufacture and sales of radiopharmaceuticals for the diagnosis and treatment of radiopharmaceuticals, as well as medical and industrial radioactive source products. The Company also provides radiation sterilization services. The Company is also involved in the design, manufacture and installation of Gama ray irradiation devices. The Company opeartes its businesse mainly through four segments, including the Pharmaceuticals segment, the Radiological Products segment, the Irradiation segment and the Independent Medical Laboratory Services and Others segment, with the Pharmaceuticals segment as the core segment. The Pharmaceuticals segment is engaged in the development, manufacture and sale of radiopharmaceuticals, the Kit for Urea Breath Test and testing instruments, as well as in vitro immunodiagnostic reagents and boxes for imaging diagnosis and treatment.