Bilateral ties have been developing steadily in the last 40 years, with political and strategic mutual trust as well as common interests reaching unprecedented heights, said Xi.
China and Argentina inked financing agreements for the construction of two hydroelectric dams and a railway project in Argentina worth around $6.8 billion.
China and Venezuela signed a total of 16 agreements covering such areas as energy and mining, finance, infrastructure construction, agriculture and hi-tech.
A new law in Cuba has removed a 50-year-old requirement for an exit visa and a letter of invitation to travel abroad, making it one of the most popular reforms enacted so far.
To celebrate the first day of 2014, Ma Yan, a human resources consultant, chose to treat herself and her boyfriend to the rhythmic delights of a bossa nova concert in Beijing.