What you want to ask is "How many years will China and Japan establish diplomatic relations in 2023"? 2023 marks the 45th anniversary of the establishment of diplomatic relations between the two countries.

On September 19, 2023, Wu Zaidong Jing, Ambassador of China to Japan, took a group photo with guests and cast members when attending the 45th anniversary celebration of the conclusion of the Sino-Japanese Treaty of Peace and Friendship. On September 19, 2023, the celebration of the 45th anniversary of the conclusion of the Sino-Japanese Treaty of Peace and Friendship came to a successful conclusion at the Banqiao Regional Cultural Center in Tokyo.