'Urban miners' fleece cellphones for precious metals

http://www.nzherald.co.nz/section/st...0506650&pnum=0



Eco-System, established 20 years ago near Tokyo, typically produces about 200-300 kg of gold bars a month with a 99.99 per cent purity, worth about $5.9 million to $8.8 million.
That's about the same output as a small gold mine.