According to me-metals cited by mining.com, The non-ferrous metal smelter said in a regulatory filing that the $1.94 billion would fund the establishment of a non-ferrous metal smelter for the production of core minerals such as antimony and gallium in the US state of Tennessee.
The project aims to support US efforts to reduce dependence on China for materials critical to industries such as electronics and weapons manufacturing.
($1 = 1,460.60 won)
source: mining.com