Columbita or tantalum ore.Mining
Shungite.
Osmium powder.
Tantalum and similar technology minerals.
Chrome ore.
Perlite, vermiculite, soil mixes.
Cubic zirconia.
Calcite.
Manganese Ore.
Silver ore concentrates.Undrerground contract miners
Minerals.
Minerals.
Flagstone.
Solid minerals.
Ore concentrates.We over see a non profit company titled "International contractors library inc." this library is a list of companies who are interested in international contracts. The members in this library are the companies selected for contracts around the world including but not limited to developing and third world nations.
Copper ore.
Rohdium ore.Mining contractor
Rare earth elements.
Mineral product.
Metal, minerals, agro products.