Chile’s national copper company issued a bulletin shows that the first half of 2015 the total profit of the company was $ 875 million, down 33% last year. Chile “three o’clock News” reports that the profit decline is mainly due to copper prices, sales decreased, insufficient investment and rising costs. Copper prices fell by a penny per ton, Chile’s national copper company profits fell $ 36 million.

Nelson Pizarro, chairman of the company said, according to the current level of copper prices, the company produces nearly 20% of copper is sold at a loss, the biggest problem is to ensure lower costs.

The report shows that as of June 30 Chile’s national copper company’s refined copper output reached 830,000 tons, representing an increase of 5.5% last year. From the company owned the mine situation, most of the increase comes from Ministro Hales Mine followed by from Gabriela Mistral mine, El Teniente and Andina mine ore; production mainly from Chuquicamata mine, the mine copper output reduction of 36,000 tons compared with last year.

Copper ore processing production process mainly consists of three processes: crushing, grinding, beneficiation.

Crushing process, the three sections of closed-circuit crushing is the most modern for high hardness copper ore crushing, ore crushing and partial to complete dissociation of the work to improve the follow-up to the grinding efficiency;

Grinding process, a closed Sec grinding grinding process is efficient, copper mill can more fully;

Beneficiation process, the more successful of the new technology in recent years is mainly a representative mix flotation process.