Copper smelters to trim output

Prices have dropped to unsustainable levels, say companies

Copper producers from China have decided to cut output in 2016, in an effort to rein in commodity prices, which fell to a six-year low recently.

On Tuesday, nine large copper companies said they would cut refined copper output by 350,000 metric tons next year. The big smelters said in a joint statement that prices have fallen to a level that is no longer viable for companies.