Chinese police caught 3,317 fugitives from over 120 countries and regions in the past five years, according to the Ministry of Public Security (MPS).
The Fox Hunt campaign targets suspects who have fled overseas to avoid answering for their alleged economic crimes.
Inter-agency cooperation and the use of new technology boosted the efficiency in tracking those who have changed identities or gone through cosmetic surgery, the MPS said Thursday.
During the past five years, Greece, Bulgaria, Italy and other countries or regions had extradited 16 suspects on China's requests, in addition to 17 suspects who voluntarily returned to China.