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China plans to install or upgrade another 64,000 toilets at tourist sites from 2018 to 2020.

China is willing to work together with Russia on international affairs to safeguard the legitimate rights and interests of the two countries as well as the international fairness and justice, and jointly promote regional and world peace and stability, Wang added.

China is willing to continue strengthening the foundation of mutual political trust based on mutual respect, mutual benefit, equality, and win-win, and implementing the important consensuses reached by the two presidents during their two meetings last year, Sun said.

China will continue to expand the two countries' exchanges and cooperation in trade, education, science and technology, and culture and tourism, while jointly building the China-Mongolia-Russia Economic Corridor. While realizing its own development, China will also benefit Mongolia and give people a greater sense of prosperity.

China officially granted licenses for commercial use of 5G on June 6. The nation is set to become the world's largest 5G market by 2025, with 460 million 5G users, a forecast by industry group the Global System for Mobile Communications Association said.