The group's principal activities are to manufacture plasma-based diagnostic products and distribute therapeutic products. The group operates through two divisions: diagnostics division and therapeutics division. Diagnostic products are used to diagnose specific patient conditions, including infectious disease and blood type and therapeutic products are used as exciepients in the manufacture of vaccines. The group's products also include non-human blood products that are used for cell culture, research and for in vitro diagnostic use. The products are marketed to both domestic and international manufacturers of therapeutic and diagnostic products. The customers of the group includes pharmaceutical companies, researchers and disgnostic test makers. On 16-Jul- 2003, the group acquired biomedical resources, inc.