Earlier this month police arrested more than a 100 Chinese in a single sweep, who were apparently engaged in an organized internet based scam targeting victims in their home country.
Sri Lanka's tourist promotion agency has been pushing for Chinese visitors with growing affluence in the country following nearly five years of steady currency appreciation.
In neighboring Maldives, Chinese arrivals have been a lifeline to the tourism industry which has been hit by declining arrivals from Europe.
Chinese visitors to the Maldives rose 14.9 percent to 213,868 in the 11 months to November 2012 from a year earlier.
Chinese arrivals made up 24.8 percent of the 866,000 visitors to Maldives in the 11 months to November 2012, compared to just 2.5 percent of Sri Lanka's total of 883,000.China is the top source of visitors for many fast growing East Asian countries.
In Vietnam 1.2 million out of 6.0 million visitors up to November 2012 were Chineses.