中方向日方提出严正交涉

Group 1 - The core viewpoint of the article emphasizes China's firm stance on the Taiwan issue, labeling it as a core interest and a non-negotiable red line [1] - China has taken countermeasures against Japanese lawmaker Furuya Keiji for his visit to Taiwan, which China views as a serious interference in its internal affairs and a violation of its sovereignty [1] - The Chinese Foreign Ministry has issued a diplomatic order under the Anti-Foreign Sanctions Law to punish Furuya Keiji for his actions, indicating that further necessary measures may be taken depending on the situation [1]