On June 28, at the regular press conference of the Ministry of Foreign Affairs on June 28, spokesperson Mao Ning said that on June 27, Vice Foreign Minister Ma Zhaoxu had a phone call with US Deputy Secretary of State Campbell, and the two sides had a candid and in-depth exchange of views on the current Sino-US relations and issues of common concern. Ma Zhaoxu focused on clarifying China's solemn position on issues related to Taiwan, Tibet, the South China Sea, and Ukraine, and demanded that the...