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An underwater grid project consisting of four 500-kilovolt alternating current submarine cables linking Hainan island and the mainland's other regions is set to undergo tests by the end of May as the island further diversifies its power transmission infrastructure.

And the country aims at development of the tourism industry in a responsible and sustainable way.

Analysts believe the outstanding performance of China's three major oil companies is expected to continue in the next six months, as oil prices surge and oil companies worldwide gradually recover from the sector's two-year crash.

And that river will traverse across countries and regions related to the China-led Belt and Road Initiative, shoring up projects and industries of logistics, container shipping and others.

And the UN is willing to strengthen dialogue and cooperation with China and dedicate itself to the establishment of a multipolar rules-based world, Guterres added.