SMM8, 21 March: Polish KGHM, one of the world's largest producers of copper and silver, said on Friday that despite a decline in production in the first half of 2018, the company was confident that it would complete its copper production plan for 2018. "the company's profits have been hit by a drop in production as the company plans to maintain its smelter in Glogow, Poland,", Marcin Chludzinski said at a news conference after KGHM reported a 50 per cent drop in second-quarter net profit.