They told the reporter that no police officer would come.
Media reports put the number of people working in the sex industry in Dongguan at 300,000 at least, although Xinhua has been unable to verify that number.
Brothels are as convenient as Starbucks, and they can even be found in residential areas.
Many Chinese dating websites allow users to look for women in their area by selecting a variety of search criteria.
That fitted with a local saying that over 100,000 ladies went to Dongguan, while millions of men went there for prostitution.
Those incidents have happened.