Although Nepal shares a 1,400-kilometres (875 miles) border with China, economic exchanges have been low due to the absence of easy transport links.
The Chinese visitors also discussed Nepal's political situation and strengthening bilateral ties between the two nations, Baral said.
Their visit came against the backdrop of elections earlier this month in which Nepal's former rebel Maoists scored a surprisingly strong showing, grabbing more than one-third of the seats in the new constituent assembly.
The Maoists snared 220 of the 601 seats in the constituent assembly which is set to declare the nation a republic and rewrite the constitution.
The results came as a shock to India, which had been expecting Nepalese voters to support centrist parties.
The Maoists have said they plan to lead the government that will be formed from the assembly but have appealed to their defeated rivals -- including the Nepali Congress, their nearest rivals, to join them in a coalition government.
The four-member delegation, led by Ai Ping, Director General of the Chinese Communist Party, met with leaders of various political parties before concluding their four-day visit on Friday, the Nepalese official said.
The polls were a central plank of a 2006 peace deal between the Maoists that ended a decade of civil war in which 13,000 people died.
