Over the past 30 years since the establishment of diplomatic relations between China and the ROK, thanks to the joint efforts of both sides, China ROK relations have progressed with the times in an all-round way and achieved fruitful results, bringing great benefits to the two countries and their peoples, and making important contributions to regional and world peace and development. The reason why China ROK relations have made brilliant development achievements lies in the fact that both sides adhere to the lofty vision, follow the trend of development of the times, and constantly inject new connotations of the times into bilateral relations; It is that the two sides adhere to mutual respect and trust, take care of each other's core interests and major concerns, and enhance understanding and trust through sincere communication; It lies in that the two sides adhere to win-win cooperation, deepen mutually beneficial cooperation, exchanges and mutual learning, and achieve mutual achievements and common prosperity; It lies in the two sides' adherence to openness and inclusiveness, working together to maintain regional peace and stability, promote regional integration and development, and uphold the basic norms of international relations. These valuable experiences deserve our cherishing and long-term adherence. At this critical juncture, the international community, including China and the ROK, can only overcome the crisis and tide over the difficulties by working together in solidarity and cooperation. China and the ROK should be good neighbors, good friends and good partners. I attach great importance to the development of China ROK relations. I am willing to strengthen strategic communication with President Yoon sik Yue, and lead China and the ROK to take the 30th anniversary of the establishment of diplomatic relations as a new starting point, grasp the general trend, eliminate interference, consolidate friendship, focus on cooperation, and jointly create a better future for bilateral relations and better benefit the two countries and the two peoples. In his congratulatory letter, Yin Xiyue extended warm congratulations on the 30th anniversary of the establishment of diplomatic relations between the ROK and China. He said that South Korea and China are geographically close and have long historical and cultural ties. Since the establishment of diplomatic relations in 1992, bilateral cooperation in the political, economic and cultural fields has made leaps and bounds, and the strategic cooperative partnership between the two countries has been constantly consolidated. The annual trade volume between the two countries has increased nearly 50 times, and the number of people to people exchanges has increased dozens of times. The rich and colorful cultural exchanges have enhanced the mutual understanding between the two peoples. This is mainly due to the efforts of all circles and national support of the two countries. It is hoped that the two sides will explore new directions of cooperation based on the spirit of mutual respect and promote the development of bilateral relations in a more mature and healthy direction. Therefore, it is hoped that the two sides will strengthen high-level exchanges, strengthen substantive cooperation in economic security such as supply chain, environment and climate change, and promote the achievement of results that can be felt by the people of the two countries. It is hoped that the commemoration of the 30th anniversary of the establishment of diplomatic relations will further promote exchanges and cooperation between the two countries and deepen the friendship between the two peoples. On the same day, Premier Li Keqiang of the State Council and Prime Minister Han Dezhu of the Republic of Korea exchanged congratulatory messages. Li Keqiang said that China and the ROK are permanent neighbors and inseparable partners. China is willing to work with the ROK to take the 30th anniversary of the establishment of diplomatic relations as a new starting point, enhance understanding and mutual trust, deepen exchanges and cooperation, promote the healthy and stable development of the China ROK strategic cooperative partnership and achieve new and greater achievements. Han