Xi reiterated the importance of relations during talks between the two leaders at the Great Hall of the People in Beijing, saying the two countries enjoyed a "cooperative strategic partnership" and would deepen cooperation in all areas.
There was no immediate word on new Chinese loans.
But after the meeting, the third between the two leaders since Maduro took power in 2013, the Venezuelan president said that during the trip, his government had drummed up Chinese investments in energy, technology and infrastructure projects worth USD 20 billion.
China is Venezuela's largest creditor and has loaned it more than USD 40 billion over the past five years, some of which has been paid back in the form of oil deliveries.
While Beijing is eager to keep relations healthy, it may become reluctant to continue lending the South American country large sums if prospects for repayment dim.
