Is Cheng Yi Bio a listed company?

No, according to the data of Aicha, the full name of Cheng Yi Bio is Shanghai Chengyi Biotechnology Co., Ltd., which was established on April 25, 20 18 and located in Room 402A, No.326 Edison Road, China (Shanghai) Pilot Free Trade Zone. The registration authority is the Market Supervision Administration of Pilot Free Trade Zone, which is a small and medium-sized science and technology enterprise (2023), so Cheng Yi Bio is not a listed company.