Supplier: Copper, cobalt, coltan
Buyer: Petroleum products, sugar
Supplier: Coltan, copper, cobalt
Supplier: Metals, copper, cobalt, coltan
Services: Sourcing, manufacturing, transportation and export, cargo
Supplier: Coltan ore, cobalt, copper
Supplier: Ores & minerals coltan, copper, cobalt
Buyer: Ores & minerals
Supplier: Copper cathodes, coltan, cobalt
Supplier: Copper cathode, cobalt, tantalite
Supplier: Coltan, copper and cobalt mining, agriculture
Services: Facilitator agent
Supplier: Precious metals, copper cathodes, tantalite, cobalt, coltan
