China Biotech Services Holdings Limited, an investment holding company, provides medical laboratory testing and health check services in the People's Republic of China and Hong Kong. The company operates through five segments: Immunotherapy, Pharmaceutical Products, Medical and Health Related Services, Securities, Insurance brokerage, and Others segments. It also engages in the research, development, manufacture, sale, and distribution of health related and pharmaceutical products; trading of securities; money lending business; provision of tumor immune cell therapy, immune cell storage, and health management services; and provision of coordination of healthcare providers services.