Eurasian Resources Group and China Non-Ferrous Metals expressed interest in buying Konkola Copper Mines, should the Zambian government succeed in seizing it from Vedanta Resources, people familiar with the situation said. Eurasian Resources, owned by three Kazakh billionaires, approached the government about two months ago, according to the people, who declined to be identified by name. CNMC also wanted to buy the assets, they said. The Chinese company offered to spend $2.5-billion on development, one person said.