Xi, 64, has secured a second five-year term as the head of the ruling Communist Party as it unveiled its new leadership with the Chinese president attaining iconic status enjoyed by modern China's founder Chairman Mao Zedong.
The longstanding friendship between Sri Lanka and China built upon mutual respect, solidarity trust and understanding has led, over the decades, to both countries reaching new and historic milestones in our time-tested bilateral partnership, Wickremesinghe said.
Wickremesinghe in his role as the Economic Affairs Minister has been responsible for forging the alliance with China after the ouster of President Mahinda Rajapaksa in 2015.
His party in Opposition had been critical of Rajapaksa's many high cost Chinese funded infrastructure projects.
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Wickremesinghe and President Maithripala Sirisena's unity government ordered to halt the Chinese port city project in Colombo on the reclaimed sea land. The project was resumed after China pressured the new government.
China has invested about USD eight billion in Sri Lanka in the last few years in various projects.
Beijing wants Colombo to play a major role in its 21st century Maritime Silk Road (MSR), which is part of China's Belt and Road Initiative (BRI).
New Delhi has reservation over the MSR as it would significantly enhance China's presence in the Indian Ocean region, regarded as the backyard of India.
China has already secured Sri Lanka's Hambantota Port as part of debt swap and currently invested heavily in the Colombo Port project.