Pfizer is the United States of America's leading pharmaceutical companies, headquartered in New York, the United States, has a history of more than a hundred years, the recent more famous drugs is the new crown vaccine research and development on the vaccine Ruihui company in Europe and the United States belongs to the first-class vaccine production enterprises.
The two companies have no business connection, each independent.
The two companies have no business connection and are independent of each other.