On July 15, 2011, the price of plastics suddenly crashed in Beijing. Over the course of several days, some grades fell more than 50 percent in value. There was no advance warning, nor were there any market indications that something was amiss, but it didn't take the city's many scrap plastic traders to figure out what had happened: North China's largest concentration of plastic scrap recyclers had been shut down en masse by the once-supportive local government of the county where they operate. Why? Nobody could say.
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