What you want to ask is what nationality is handball player Yan Xu? China people.

Celebrity resume website shows that Yan Xu, 1989 was born in hailin city, Mudanjiang City, Heilongjiang Province, and is the goalkeeper of the women's handball team in Heilongjiang Province. On April 10, 2007, the China National Women's Handball Team was established in Beijing, and Yan Xu, the goalkeeper of Heilongjiang Province, was selected.