The two-day summit in Beijing was attended by 29 heads of state and governments, the World Bank, the International Monetary Fund (IMF), and representatives from the US, Japan and most of the western countries.
Speaking on the final day of the forum aimed at promoting his signature foreign initiative, Chinese President Xi Jinping said economic growth was "not on solid ground."
"Economic globalisation is encountering some headwinds. Development has become more uneven - not to mention the other challenges that overshadow the world economy such as wars, conflicts, terrorism and a massive flow of refugees and migrants," Xi told the leaders, including Russian President Vladimir Putin and Pakistan Prime Minister Nawaz Sharif, at the meeting.
Initially, the US had shown reservations in attending the summit but sent a delegation to the forum after clinching a trade deal with China.
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Speaking to reporters at the end of the meeting, Xi expressed confidence over the future prospect of the B&R initiative, a flagship project of which - the CPEC- runs through Gilgit and Baltistan in Pakistan-occupied Kashmir.
Xi, however, said the almost 30 leaders attending the summit agreed on broader channels, innovative methods and lower costs of financing.
A joint statement issued at the end of the roundtable meeting of the leaders, outlining the future course of action, said the leaders agreed to oppose all forms of protectionism. "We reaffirm our shared commitment to build open economy, ensure free and inclusive trade, oppose all forms of protectionism including in the framework of the Belt and Road initiative," the statement said.
"We endeavour to promote a universal, rules-based, open, non-discriminatory and equitable multilateral trading system with WTO at its core," they said according to the statement.
They agreed to encourage financial institutions, promote bilateral local currency settlement and facilitate the development of local currency bonds and stock markets, and fend off financial risks, it said.
Yesterday, Xi announced USD 124 billion funding from China for the 60-odd countries taking part in the initiative.
China will host the second Belt and Road Forum for International Cooperation in 2019.
The B&R initiative, which revives the ancient trade silk route, includes a maze of roads and port projects and aims to connect China with European and African markets through Asia.