Red Lights Dim in China’s Sin City (March 6, 2014)
https://www.nytimes.com/2014/03/07/world/asia/red-lights-dim-in-chinas-sin-city.html
"“In Dongguan, we have something called Dongguan-style service,” the young man with dyed brown hair said as he sat in a hotel restaurant, agreeing to speak on the condition that only his English nickname be used. “It’s the sex capital. It has a reputation. It’s as if you have ISO 9000 certification” — a reference to an international quality standard for service industries of all kinds.
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So severe is the crackdown, and so large is the sex industry in Dongguan, that police officials in nearby Hong Kong have expressed worries about a potential flood of displaced prostitutes arriving there.
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“I don’t think Dongguan has the most prostitutes or the most expensive ones, but it definitely has the most advanced and the most mature sex industry,” said Ai Xiaoming, a literature professor and gender studies scholar at Zhongshan University in Guangzhou, the provincial capital."