Beijing, April 16 -- General Secretary of the Communist Party of Vietnam (CPV) Central Committee and President of Vietnam To Lam, his spouse and the high-ranking delegation of Vietnam departed Beijing on April 16 morning for a visit to Nanning city, continuing their state visit to China. They travelled by high-speed train after concluding official activities in Beijing. Chinese officials accompanying the delegation included Liu Haixing, head of the International Department of the Communist Party of China Central Committee; Chen Zhou, deputy head of the same body; and Chinese Ambassador to Vietnam He Wei and his spouse. At the station, Beijing Mayor Yin Yong and staff of the Vietnamese Embassy in China saw off the delegation. During the jo...