Tin cassiterite tungsten and tantalite.
Tantalite ( coltan ) ore, rhodium, iridium and other precious metals such as copper..Ship and broker
Cassiterite ore, tantalite ore, tin ore, rare earth..Containers shipping.
Solid minerals like lead, zinc, columbite, tantalite.
Coltan ore, cobalt, copper.
Coltan, copper, & quartz.
Copper, cobalt, coltan.
Coltan ore, iron ore, timber.
Tantalite, oil and gas, precious metals, precious stones.
Tantalite.
Mineral ore like tantalite ore, molybdenum ore, wolframite ore, lead ore and copper.
Coltan, tantalum ores.
Tantalite and coltan.
Coltan.
Minerals, tantalite ores.
Coltan, Cassiterite.
Minerals, coltan, cobalt, and gemstones.
Coltan.
Barite, magnesium oxide, coltan.Chemical engineering consultant, strategic advisor
Vanadium, titanium, and coltan.Export