The First Affiliated Hospital of Xiamen University, a subsidiary of Xiamen University, is a company headquartered in Xiamen, China, that owns and operates general hospitals.

A2A Pharmaceuticals Inc. is a biotechnology company committed to the advancement of innovative scientific research and new therapeutic agents. Their focus is on the development of novel drugs to treat antibiotic resistant bacterial infections and address unmet needs in cancer. They incorporate computational tools and interdisciplinary ingenuity into the rational design of therapeutics. Their unique computational design platform SCULPT™ integrates experimentally determined target characteristics into the systematic construction of therapeutic candidates.

Xuzhou Central Hospital is a Chinese private company located in Xuzhou. The firm owns and operates general medical and surgical hospitals.

Shanxi Yangtouxiu Electronic Technology Co., Ltd., established on 2022-07-06, Business scope includes general items:Quantum Computing Technology Services;Cloud Computing Equipment Technical Services;5GCommunication Technology Services;R&D and application of cell technology;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;internet sales(Except for products that require a license for sale)(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

Jiangsu Angel Medical Equipment Co., Ltd., established on 2005-03-14, Business scope includes medical devices(Scope listed by license)manufacture,processing,Sales;Technology research and development in the field of medical devices;Self-operated and agent import and export business of various commodities and technologies.daily mask(non-medical)Production;daily mask(non-medical)Sales;(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)