Beijing, Aug. 31 -- Frequent reciprocal visits by high-level leaders of Vietnam and China have played a vital role in promoting cooperation and consolidating political trust between the two countries, according to Liu Ying, a researcher at the Chongyang Institute for Financial Studies under the Renmin University of China.

In an interview granted to the Vietnam News Agency (VNA)'s resident correspondents in Beijing on Vietnam-China relations and the prospects for further developing the traditional friendship between the two nations, she said Vietnam and China enjoy the traditional friendship of "both comrades and brothers". The Communist Party of Vietnam (CPV) and the Communist Party of China (CPC) have forged close ties built on the prof...