Ulexite, boric acid, lead, copper.
Copper ore, coal, copper mine, iron ore, lead ore.
Copper, iron ore, manganese and its derivatives, manganese, lithium, mining scrap, lead cathodes and anodes , mining surplus, etc..
Iron ore, copper ore, lead ore, molybdenum ore, rare earth, antimonium ore..
Tantalum (coltan), iron ore, scrap, copper, manganese, , lead, zinc, aluminum, coking coal, thermal coal.
.General purpose hot-dip galvanizing & steel pipe hot-dip galvinizing