Niu Dandan: Female, born in 1975, China nationality, with no right of abode abroad, master's degree, senior economist. He has served as director of international sales department of Sinopharm Medical Technology Co., Ltd., joined the company in May 2008 and worked in the international marketing department. He has served as director of European marketing region, manager of product planning department, assistant to the chairman and manager of investment development department, and director of the company's international marketing center.