Benefiting from stable shipments of specialized new copper products from its Luzhu plant in Kaohsiung, along with China's ...

Manganese, an essential steel-making ingredient, has outstripped copper, gold and many other commodities this year after a cyclone halted exports from the world’s second-largest mine in March.

“The main problem with secondary steel production is that the scrap being recycled may be contaminated with other elements, including copper," Azimi tells UofT Engineering News. “The concentration of ...

WASHINGTON ― President Donald Trump said Monday he plans to impose sweeping tariffs on steel, aluminum and copper imported to the U.S. as well as goods such as computer chips, semiconductors and ...