Aerial photo taken on April 9, 2020 shows the construction site of Yazhou Bay Science and Technology City in Sanya, south China's Hainan Province. (Xinhua/Yang Guanyu)

BEIJING, June 1 (Xinhua) -- Chinese President Xi Jinping has underlined the high-quality and high-standard construction of Hainan free trade port while prioritizing the innovation of institutional integration in the process.  ■

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