Ramming mass.
Raw bauxite.
Calcite.
Ferric alum.
Coltan/tantalite.
Coltan.
Ilmenite.Shipping agent
Coltan.
Mineral pyrite.Trader
Bauxite.
All kinds of mineral raw materials and processed refractory materials.
Calcined magnesite powder.
Bauxite trihydrate.
Bauxite.
Ferro niobium.
Coltan.Export
Raw bauxite.
Bauxite.
Coltan.Import & export, trade
Bouxite.