![](/sites/default/files/2019-11/CR%20en%20Don%20Bosco_0.jpg)
Business Excellence first visited the Sierra Gorda mine almost seven years ago, when it was still under construction. Its new owner, Polish mining giant KGHM, had recently invested over US$5.2 million to acquire the mine, making it the biggest foreign investment ever by a Polish firm outside of Poland.
DOWNLOAD
SeirraGorda-Nov2019.pdf