SUZHOU, China and ROCKVILLE, Md., Jan. 2, 2024 /PRNewswire/ -- Ascentage Pharma (6855.HK), a global biopharmaceutical company engaged in developing novel therapies for cancer, chronic hepatitis B (CHB), and age-related diseases, announced today that it will attend the 42nd J.P. Morgan Healthcare Conference, and Dr. Dajun Yang, its Chairman and...