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Beijing and Bogota have seen frequent exchanges of high-level visits and steady development of bilateral relations over the past years.

An editorial in the "People's Daily", the flagship newspaper of the Communist Party of China, said the trip was a milestone in the initiative.

To unite the non-CPC intellectuals is basic and strategically important, Xi said.

Wang said strengthening self-supervision is a must for the CPC to address various risks and challenges while remaining in power for the long run. He said the CPC has the confidence to ensure its leadership through self improvement, purification and innovation.

The U.S.-China relationship is one of the most important bilateral ties around the world, Kerry said, noting that the two sides have maintained communications and coordinations in more and more areas.