Xuanzhu Biopharmaceutical Co., Ltd. engages in the development, industrialization, and commercialization of small-molecule chemical drugs and macromolecular biopharmaceuticals in China. Its lead product candidates includes Core- KBP-3571 for the treatment of duodenum ulcers; XZP-3287, a CDK4/6 inhibitor for the treatment of HR+/HER2 advanced breast cancer; and and XZP-3621, a first-line treatment for patients with anaplasti