State Counsellor Aung San Suu Kyi arrived back from China on May 17 after attended the Belt and Road Forum for International Development in Beijing.
Suu Kyi visited Kunming before returning.
She met Chen Hao, secretary of the Communist Party in Yunnan Province, at the Hai Gen Garden Hotel and discussed building peace and stability along the border and in northern Myanmar, to build economic cooperation and to work together with basic infrastructure, education, culture and health.
She met Chinese President Xi Jinping and Premier Li Keqiang during her trip.
They discussed increased cooperation for stability and development in the border area, to arrange goodwill trips for both leaders, to build friendships for people from both countries and to cooperate in all sectors, according to the State Counsellor’s Office.
The Xinhua news agency reported that Xi said China wanted to help to improve the peace process in Myanmar.
Myanmar and China signed bilateral memorandums of understanding on economic and technical cooperation, border economic cooperation zones, on cooperation within the framework of the Silk Road Economic Belt for land and sea, on health cooperation and on cooperation on post-earthquake restoration and protection in Bagan.
She also met Switzerland's President Doris Leuthard, Sri Lankan Prime Minister Ranil Wickremesinghe, Poland's Prime Minister Beata Szydlo and Mongolian Prime Minister Jargaltulgyn Erdenebat separately in Beijing.
She also met UN Secretary General Antonio Guterres and invited him to attend the second round of the so-called 21st-century Panglong conference in Nay Pyi Taw later this month.
China is developing its “One Belt and One Road” strategy to connect it through a network of harbours, trains and highways with Africa, Asia and Europe.