5416 7th Street NW Washington, DC
We are an import and Export company who deal mainly in Cotan(Columbite Tantalite), Cassiterite, Rough Diamond, Platinum, Gold, wood, lumber or logs. Coltan Specs:listed below is the spcifications for coltan that we have sale:Materials Quality:The ...
Coltan Tantalite Columbite Tires, Diamond Gold African Minerals