Congo Sharma Bros International / Open Pit Copper Grade Control Thermo Electron Corporation / Congo Yingkou BL Mining Co. Ltd. / Xstrata / Thermo Electron Corporation / London Metal Exchange / Australia Exco Resources / /
Country
Germany / Zambia / / /
Facility
Osborne Copper Mine / Australia Placer Dome / Ernest Henry Copper Mine / Thalanga Copper Mine / /