Lin Lin and I are both employees of IgM medical advanced technology group company. IgM group is a listed company with a market value of 300 billion US dollars. It is headquartered in New York and has branches and branches all over the world. The company mainly deals in medical device manufacturing and advanced drug research and development. Linlin and I both work in the Los Angeles branch. She works in the new drug research and development department, and I work in the surgical instruments sales department.