中方紧急约谈，强烈抗议！

Group 1 - The article discusses a diplomatic protest by China against Japan regarding Taiwan's foreign affairs official Lin Jialong's visit to Japan, emphasizing that Taiwan is a core interest of China and affects Sino-Japanese relations [1] - Liu Jinsong, the Director-General of the Asian Department of the Ministry of Foreign Affairs, expressed strong objections to Japan's actions, stating that it sends a serious wrong signal and provides a platform for anti-China separatist activities [1] - The year marks the 80th anniversary of both the victory of the Chinese people in the Anti-Japanese War and the recovery of Taiwan, highlighting the historical significance of the issue [1]