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Companies from more than 130 countries and regions are expected to attend the exhibition, and the organizers are looking to attract over 150,000 domestic and overseas buyers over the next few months.

Coffee shops are sparsely filled with people sitting in chairs at least one meter away from each other, while people walk or ride bicycles along the Han River that runs through the capital city Seoul of South Korea.

Compared to the vague language of their two earlier summits, this time Kim and Moon seem to have agreed on a concrete and ambitious program meant to tackle soaring tensions since last year, said Lyu Chao, director of the Border Study Institute at the Liaoning Academy of Social Sciences.

Competition in China's high-end smartphone market is set to intensify with the arrival of the 5G-enabled iPhone 12 from Apple Inc, as domestic companies may unveil more feature-packed models to attract consumers, experts said.

Co-founded by the Chinese Academy of Sciences (CAS) and the Ministry of Education, the NCNST is China's key nanoscience scientific research base for its basic and applied study.