BEIJING, Aug. 19 -- China and Mongolia, which share a 4,710-kilometer-long land boundary and established diplomatic relations in 1949, have seen constant progress in their ties since they revised and signed the Treaty on Friendly Relations and Cooperation in 1994.

The two countries have maintained a good momentum of high-level exchanges. In 2003, then Chinese President Hu Jintao visited Mongolia and both sides decided to establish a good-neighbor partnership of mutual trust.

Between April and May 2010, Mongolian President Tsakhiagiin Elbegdorj paid a state visit to China and attended the opening ceremony of the Shanghai World Expo.

In June 2010, then Chinese Premier Wen Jiabao visited Mongolia.

In June 2011, then Mongolian Prime Minister Sukhbaatar Batbold paid an official visit to China and the two sides decided to upgrade their bilateral ties from a good-neighbor partnership of mutual trust to a strategic partnership.

In June 2012, Elbegdorj met with Hu on the sidelines of a Shanghai Cooperation Organization (SCO) summit held in Beijing.

In December 2012, Wen met Mongolian Prime Minister Norov Altankhuyag on the sidelines of the SCO summit in Bishkek, capital of Kyrgyzstan.

In January 2013, Wu Bangguo, then chairman of the Standing Committee of the National People's Congress (NPC) of China, visited Mongolia and met with President Elbegdorj and Prime Minister Altankhuyag.

In September 2013, Chinese President Xi Jinping met Elbegdorj in the Kyrgyz capital of Bishkek, and both leaders agreed to promote bilateral cooperation.

In the following month, Altankhuyag, the Mongolian prime minister, visited China and held talks with Chinese leaders.

In May 2014, President Xi met with Elbegdorj in Shanghai, who was there to attend the Fourth Summit of the Conference on Interaction and Confidence Building Measures in Asia.

At the invitation of Elbegdorj, President Xi will pay a state visit to Mongolia on Aug. 21-22.