Top cobalt mines ranked by production in 2017

Mining News Pro - Glencore`s Mutanda Mine in the Democratic Republic of Congo produced 23.9 kilotonnes of cobalt in 2017 making Mutanda the world`s biggest producer of the blue metal that is also owned by a publicly-traded company.

Esfahan Mobarakeh Steel co.
HOSCO
khuzestan steel
chadormalu Co.
ghadir neiriz co
IranAluminaJaajarm
sangan steel
ahan o fulad golgohar