Group 1 - Mitsubishi Materials plans to reduce primary copper smelting volume by 30%-40% by fiscal year 2035, shifting focus to secondary smelting to enhance profitability [1] - The company faces challenges due to a significant drop in treatment and refining charges (TC/RC) and shrinking smelting profit margins, attributed to tight concentrate supply [1] - Mitsubishi Materials announced a 25% year-on-year reduction in refined copper production at its Onahama smelter from October to March of the following year [1] Group 2 - The company intends to integrate its copper concentrate procurement with its copper product sales business into domestic competitor Pan Pacific Copper [1] - A new three-year business plan was introduced, emphasizing a transition from primary copper operations to utilizing electronic waste for secondary smelting, with plans to build new secondary smelting plants in Europe and the U.S. [1] - The president, Tetsuya Tanaka, highlighted the importance of transitioning to profitable electronic waste processing for sustainable development, given the expectation of continued low processing fees [1] Group 3 - Mitsubishi Materials aims to double its secondary smelting capacity by 2035, although refined copper production is expected to decline by 20%-30% from the current annual level of approximately 400,000 tons due to the reduction in primary smelting [1]