Synthetic drugs are now common in Chinese cities. They are being exported, too

Just as China has become the place to manufacture cheaply everything from tennis shoes to iPads to Bibles, so it is with drugs. Clandestine labs produce vast quantities of ketamine and other synthetics which are now fuelling a worldwide boom. Some are now calling China the new front in the global war on drugs.

http://www.economist.com/news/china/21608802-synthetic-drugs-are-now-common-chinese-cities-they-are-being-exported-too-chemical-highs?fsrc=scn/fb/wl/pe/chemicalhighs