Sevele expressed gratitude for China's assistance, saying Tonga adheres to one-China policy.
He vowed to upgrade the cooperation with China as well as the friendship between the two peoples.
Sevele started his seven-day China trip on Tuesday morning. Chinese Premier Wen Jiabao held talks with him on Thursday.
Besides Beijing, Sevele will also visit Shaanxi Province in northwest China and Heilongjiang Province in northeast China.
(Source: Xinhua News Agency)