(ANSA) - BELGRADE, 31 AGO - The Chinese company Zijin Mining Group, one of the largest producers of gold and copper in the world, has been selected by Serbia to become the strategic partner of the state-controlled Serbian RTB Bor mine and smelter complex, local media reported, quoting the Serbian minister of Mining and Energy, Aleksandar Antic. The Serbian government informed that the Zjin Mining Group has offered to buy a 65% stake in RTB Bor, a business plan worth 1.26 billion dollars, an investment of 350 million in the complex, covering for the debts of RTB Bor up to 200 million dollar. The Chinese group has also promised to keep 5,000 working places at the complex. Serbia launched a call for a strategic investor for the large state-run copper mining and smelting complex, located in the eastern part of the country, last July. (ANSA).