"We regard Sri Lanka as an important cooperative partner in promoting belt and road initiative in South Asia," Chinese Foreign Ministry spokesman Hong Lei told reporters.
The port, expected to play a key role for China's ambitious Maritime Silk Road project in India's backyard, is being seen as the single largest private sector development ever in the island.
The project involving the 233 hectares of reclaimed land in capital Colombo was cleared by the new Sri Lankan government after expressing reservations over its environmental impact.
The deal was struck by former Sri Lankan President Mahinda Rajapaksa as he moved closer to China much to the disquiet of India permitting even Chinese submarines docking in Colombo harbour.
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A detailed discussion is expected to be held during new Sri Lankan President Maithripala Sirisena proposed visit to Beijing in March.
The threat to review has caused concern here as Colombo Port was regarded as key to the success of Chinese President Xi Jinping's mega Silk Road and Maritime Silk Road project.
"We believe that Sri Lanka's new government will bare in mind the overall interests of China Sri Lanka friendly relations and the fundamental interests of Sri Lanka ensure that major cooperation projects between the two countries will not influenced by political changes in Sri Lanka," Hong quoted Liu telling Sri Lankan Foreign Minister, Mangala Samaraweera in Colombo yesterday.
Liu also said Chinese side places the China-Sri Lanka relations on important position on China's neighbourhood diplomacy.
"All the major cooperation project between China and Sri Lanka including the Colombo Port meets the requirements of Sri Lanka to improve people's livelihood and deliver tangible benefits in Sri Lanka," Liu said.
Wickamarsinghe said China has become largest partner of development of Sri Lanka and the country is thankful for all the help.