Zinc
The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest workable lodes are in Australia, Asia, and the United States. Zinc is refined by froth flotation of the ore, roasting, and final extraction using electricity (electrowinning) Origins: morocco,Australia,Mexico,Canada,Bolivia,Kazakhstan
Zinc-ash-and-zinc-dross.
Metal ore like iron ore, zinc ore and copper ore.
Mineral commodity chrome ore and chrome concentrate, iron ore, copper ore, manganese ore , zinc, coal from african countries .
Iron ore, copper ore, copper concentrate, barite, coltan, antimony, manganese, copper mud, zinc, lead.
Metal scraps, ores, alcoholic beverage, construction materials, agriculture products, coals, minerals & metallurgy, industrial fuel , meat & poultry, petrochemical products, marine parts & accessories , energy & mineral equipment, timber , plant & animal oil and chemicals.