外交部：将视情对古屋圭司采取其他一切必要惩治措施

Core Viewpoint - The article discusses China's response to Japanese lawmaker Furuya Keiji's visit to Taiwan, emphasizing that the Taiwan issue is a core interest for China and a red line that cannot be crossed [1] Group 1 - China has lodged a serious diplomatic protest against Furuya Keiji for his actions related to Taiwan, which are seen as interference in China's internal affairs and a violation of its sovereignty [1] - The Chinese government has issued countermeasures against Furuya Keiji based on the Anti-Foreign Sanctions Law of the People's Republic of China, indicating a willingness to impose further necessary punitive measures as deemed appropriate [1]