Ulexite, boric acid, lead, copper.
Copper ore, coal, copper mine, iron ore, lead ore.
Copper, iron ore, manganese, lead, zinc, and strategic metals.Broker
Iron ore, copper ore, lead ore, molybdenum ore, rare earth, antimonium ore..
Copper, iron ore, manganese and its derivatives, manganese, lithium, mining scrap, lead cathodes and anodes , mining surplus, etc..
Tantalum (coltan), iron ore, scrap, copper, manganese, , lead, zinc, aluminum, coking coal, thermal coal.