Zhong Kai Shi

Yishengbio Co., Ltd. is an investment holding company that engages in the research and development, manufacture, and sale of vaccines and therapeutic biologics for infectious diseases and cancer. It focuses on the PIKA immunomodulation technology platform and production, sale of YSJA rabies vaccine. Its geographical segment include Mainland China, and other countries. The company was founded by Yi Zhang on November 16, 2020 and is headquartered in China.

Liaoning Yisheng Biopharmaceutical Co., Ltd. operates as biopharmaceutical company. It focuses on the research, development, manufacturing and sales and marketing of immunological and vaccine products. The company is headquartered in Beijing, China.

Altimmune, Inc. develops vaccines and other biological products. The firm offers products for use in companion and commercial livestock, including cats, dogs, horses, swine, poultry and aquaculture. The company was founded by G. Michael Alder and De-chu Tang in 1997 and is headquartered in Gaithersburg, MD.