Xu Xin, Liu Shiwen win mixed doubles final match at ITTF World Tour Grand Finals

Xu Xin/Liu Shiwen (R) of China compete during the mixed doubles final match against Mizutani Jun/Ito Mima of Japan at the 2019 ITTF World Tour Grand Finals in Zhengzhou, central China's Henan Province, Dec. 14, 2019. (Xinhua/Li An)