Guo Tong Xu

Cellular Biomedicine Group, Inc. is a holding company, which engages in the development of new treatments for cancerous and degenerative diseases utilizing proprietary cell-based technologies. It specializes in immune cell therapy. The company was founded in 2009 and is headquartered in Rockville, MD.

PharmaLegacy Laboratories (Shanghai) Co., Ltd. engages in the provision of pharmacodynamics, pharmacokinetics, non-GLP toxicology, in vitro immunology, and three types of medical device evaluation services in line with international standards. It provides drug research & development preclinical research services such as pharmacodynamic research evaluation and pharmacokinetic research evaluation; device research & development preclinical research services such as preclinical effectiveness and safety evaluation of innovative medical devices; and experimental mice. The company was founded on March 7, 2008 and is headquartered in Shanghai, China.

Gracell Biotechnologies, Inc. is a clinical-stage biopharmaceutical company. It engages in the business of discovering and developing cell therapies to resolve industry challenges and fulfill unmet medical needs in the treatment of cancer. The company was founded by Wei Cao in May 2017 and is headquartered in Suzhou, China.