TOKYO -- JX Nippon Mining & Metals, a unit of Japan's top oil refiner Eneos Holdings, on Thursday announced plans to sell its entire 49.9% holding in South Korean copper smelter LS-Nikko Copper for 930 billion won ($730 million).
Proceeds will be used to ramp up investment in advanced chip materials

JX Nippon’s smelting business has been struggling with low profitability in recent years due to the rise of bigger Chinese rivals.
TOKYO -- JX Nippon Mining & Metals, a unit of Japan's top oil refiner Eneos Holdings, on Thursday announced plans to sell its entire 49.9% holding in South Korean copper smelter LS-Nikko Copper for 930 billion won ($730 million).