Three major copper-importing nations have issued a rare joint statement expressing deep concerns about plummeting copper processing fees. The warning comes as smelters worldwide face negative charges in some spot deals, forcing them to pay miners for processing services. 
International Concern Over Copper Market Dynamics
According to reports from Reuters, the industrial ministries of Japan, Spain, and South Korea have taken the unusual step of issuing a joint statement expressing serious concerns about the sustainability of current copper treatment and refining charges (TC/RCs). The three nations, all significant importers of copper concentrate with domestic smelting operations, warned that the current market environment prevents sustainable development for both smelters and miners.