SIGMA will process 228 thousand tons of Ozernovsk ore as part of the pilot project
Edited by Rhod Mackenzie / 2020-11-17 09:22:31
The Siberian Mining and Metallurgical Alliance (SIGMA JSC) received approval from the Glavgosexpertiza of Russia to expand the technological line of the pilot plant at the Ozernovsky MMC to 228 tho
