The arrested foreigners were seen suspiciously doing rounds of ATM booths on Karachi's Abdullah Haroon Road.
Local shop-keepers stopped the duo and handed them over to police, Geo TV reported.
Officials also confirmed that the two foreigners have been involved in ATM skimming, it said.
Pakistan has witnessed a rapid increase of Chinese nationals in the country in recent years due to many Beijing- funded infrastructure development projects and joint ventures under the USD 50 billion China-Pakistan Economic Corridor (CPEC).
Some Chinese expatriates, however, have been found involved in criminal activities such as fighting and fraud, Pakistani media reports said in December.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)