China Biotech Services Holdings Ltd. operates as an investment company, which engages in the provision of medical laboratory testing, and health check services. It operates through the following segments: Immunotherapy, Pharmaceutical Products, Medical and Health Related Services, Securities, Insurance Brokerage and Others. The Immunotherapy segment is a provision of tumor immune cell therapy, immune cell storage and health management services The Pharmaceutical Products segment manufactures, researches, develops, sells, and distributes health related and pharmaceutical products. The Medical and Health Related Services segment provides medical laboratory testing and health check services. The Securities segment trades securities. The Insurance Brokerage segment offers insurance brokerage services. The Others segment offers research and development services; and covers the money lending business. The company was founded on June 5, 2003, and is headquartered in Hong Kong.