Nevsun is a Canadian company that has exploration rights in the upper zone of the copper and gold site Cukaru Peki. The company claims the copper and gold site near Bor in Eastern Serbia is one the best development projects in the world. In 2018, Nevsun will invest USD 50-60m in the site, while the entire investment is expected to require an investment of $1.5bn. The company is currently preparing a feasibility study, collecting necessary permits, purchasing land and completing exploration drilling. Nevsun will invest USD 5m in geological explorations this year. Its partner in the business is the American company Freeport which is a co-owner in the lower zone of the site. If all proceeds to plan, the mine should become operational in 2021, be operational for 15 years and should yield around one million tons of copper at 70 tons of gold.