Xi Jinping, general secretary of the Communist Party of China Central Committee and Chinese president, attends a welcome ceremony held by Nguyen Phu Trong, general secretary of the Communist Party of Vietnam Central Committee, in front of the Presidential Palace in Hanoi, capital of Vietnam. Photo: Wang Zhuangfei/China Daily.

Xi Jinping, general secretary of the Communist Party of China Central Committee and Chinese president, attends a welcome ceremony held by Nguyen Phu Trong, general secretary of the Communist Party of Vietnam Central Committee, in front of the Presidential Palace in Hanoi, capital of Vietnam. Photo: Wang Zhuangfei/China Daily.