In what country are both Guixi and Dongning, Heilongjiang located?
Dongning, Heilongjiang Dongning () is a county-level city of southeastern Heilongjiang province, China. It is under the jurisdiction of the prefecture-level city of Mudanjiang.
Dongxing, Guangxi Dongxing (,"Vietnamese": Đông Hưng) is a county-level city of Guangxi, People's Republic of China, on the border with Mong Cai of Vietnam.