Investigations began on December 1, 2015, and have lasted more than half a year.
The Kunming Public Security office is now investigating whether the 20 suspects also committed other crimes.
What will happen to Fanya's stocks of minor metals?
On June 22, the local government said about 70,000 tonnes of 14 different kinds of non-ferrous metals had been seized by the Yunnan police
This included about eight...