China will further open its market, expand import and constantly improve business environment to create better conditions for companies' development, he added.

The joint building of the Belt and Road has entered a new high-quality period, Xi said, calling on the entrepreneurs to seize the opportunity and actively participate to reap more fruit of cooperation.

Brazilian President Jair Bolsonaro, Russian President Vladimir Putin, Indian Prime Minister Narendra Modi and South African President Cyril Ramaphosa also attended the closing ceremony.

Xi arrived in Brasilia Tuesday night for the 11th summit of BRICS, an emerging-market bloc that groups Brazil, Russia, India, China and South Africa.