Sumitomo Metal Mining Co Ltd - Company Profile
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Business Description
Sumitomo Metal Mining Co Ltd (SMM) is primarily involved in the exploration, development, and production of non-ferrous metal resources. It carries out the smelting and refining of metals such as copper, nickel, and gold. The company also manufactures and sells battery materials, powder materials, and advanced materials. SMM serves industries including automobiles, energy, environment, communications, and home appliances.
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R&D Overview
The company's research and development (R&D) efforts are primarily conducted at its Niihama Research Laboratories, which focuses on enhancing existing mineral processing and smelting technologies, as well as developing innovative processes such as lithium-ion battery recycling and hydrogen-based metal reduction methods aimed at fostering sustainability. Additionally, the Battery Research Laboratories are dedicated to advancing secondary battery cathode materials and production processes, with a goal of increasing market share and commercializing new nickel-based lithium-ion battery materials. The Materials Laboratories leverage core technologies to create new functional materials, while the Ichikawa Research Groups focus on innovative powder synthesis and the development of advanced materials. In FY2025, the company spent JPY10.4 billion on R&D activities.
Business Segments
Overview
Manufactures, processes and sells semiconductor materials such as advanced materials, powder materials, battery materials and crystalline materials. Also manufactures automotive exhaust, chemical catalysts, processing catalysts, petroleum refinery and desulfurization catalysts, and autoclaved lightweight concrete (ALC) products.
Performance
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Overview
Comprises exploration and development, production, and sales of non-ferrous metal resources in Japan and overseas. Key products include gold and silver ore, copper concentrates, copper and gold.
Performance
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Overview
Comprises real estate businesses and technical engineering.
Performance
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Overview
Includes smelting, and sale of copper, nickel, ferronickel, and zinc. Also includes smelting and sale of precious metals such as gold, silver and platinum. Operates Toyo smelter and refinery, Niihama nickel refinery and Harima refinery in Japan.
Performance
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Geographical Segments
Performance
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Performance
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Performance
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Performance
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Performance
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