In from May 7th to 8th, after 43 days, Chinese President Xi Jinping met with Kim Jeong-eun, chairman of the Korean labor party, in Dalian again. After returning to the DPRK on the 8 day, Kim Jeong-eun sent a thank-you letter to President Xi Jinping and thanked President Xi for his warm welcome and hospitality. Meanwhile, Kim Jeong-euns first airplane diplomacy is also noticeable. The 8 day of the Korean Central News Agency published a thank-you letter from President Kim Jeong-eun of the State Council of Korea to Chinese President Xi Jinping when he returned to China. Kim Jeong-eun, citing the 8 DPRK news report, said Kim Jeong-eun expressed his sincere thanks to President Xi Jinping and stressed that the two parties will meet again and will further close the strategic cooperation and make positive contributions to the long term stability of the Korean Peninsula. In his letter, Kim Jeong-eun said that, at the time of the times of cross - century friendship between China and the DPRK, the two sides met to inject vigor into enhancing the special relations and mutual trust of China and the North Korea, and strengthening mutual assistance to build the great socialist great work. In addition, the Korean Central News Agency also reported the whole process of the two leaders meeting in Dalian 8 days ago. The report said that during the talks, the two sides exchanged views on the situation and trend of development on the Korean Peninsula, as well as the political and economic situation in the country, and exchanged views on the solutions to the friendly and cooperative relations between the two countries and the major issues of common concern. Kim Jeong-eun spoke highly of the strategic communication between the two parties and the close high-level exchanges between the two countries and the highest leading bodies. Kim Jeong-eun pointed out that these days, the hearts of the two countries are closer and closely linked. We hope that we will continue to expand friendly contacts between the two countries and maintain close contacts in a flexible and diversified manner. At the 7 dinner, Kim Jeong-eun said he was proud and proud of such a reliable and authentic friend of China, a great neighbor and a Chinese comrade. In the future, in the long march of the history of the peace and prosperity of the Korean Peninsula and Northeast Asia and the building of a just and just new world, we will move forward closely with the close Chinese comrades. Kim Jeong-euns visit was followed by the meeting between leaders of China and DPRK at the end of March, and the leaders of the two countries met again in a short time, which sparked the attention of the world. Meanwhile, Kim Jeong-euns first airplane diplomacy after taking office also triggered discussions. The analysis said Kim Jeong-euns move is Preview for the upcoming US - DPRK talks. South Koreas Central Daily 9 reported that before that, Kim Jeong-eun had never had a precedent for a plane trip, and his first visit to China from 25 to 28 in March was also a special train to Beijing via Dandong. Since Singapore and other places are likely to be listed as a candidate for the DPRK summit, the flight before the talks was also seen as a rehearsal of Kim Jeong-euns trip to the plane. According to the report, according to the Google map, the direct distance between Pyongyang and Dalian is 359 kilometers, close to 390 kilometers from Seoul to Busan, and can arrive within an hour. The distance between Pyongyang and Singapore is about 4700 kilometers, and Kim Jeong-euns special plane can travel directly without stopping.