China's investment in Africa also registered strong growth. By June 2012, China had invested 45 billion dollars in Africa, including over 15 billion dollars of direct investment.
Meanwhile, over 2,000 Chinese companies are operating in 50 African countries, and more than 85 percent of their staff are Africans.
China has also stepped up assistance to Africa, with more aid focusing on improving the well-being of local people, poverty reduction, disaster preparedness and mitigation, and capacity building.
Tanzania is the second leg of Xi's maiden foreign trip, following Russia.
After his Tanzania visit, Xi will travel to South Africa and the Republic of Congo.
In South Africa, Xi will attend the fifth BRICS summit in the city of Durban on March 26-27, the first to be held on the African continent.
Leaders of Brazil, Russia, India, China and South Africa, collectively known under their acronym BRICS, will also have a retreat with African leaders.
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