Sumitomo Metal Mining Co., Ltd. is a Japanese company engaged in the exploration, mining, smelting and refining of non-ferrous metals, as well as the production of advanced materials. Its principal products include copper, nickel, gold and other precious metals, which it supplies to industrial customers and manufacturers.
The company also produces battery materials, including nickel-based cathode materials, along with semiconductor and electronic materials, crystal materials, catalysts and other specialized products. These businesses support applications in electric vehicles, energy storage, electronics, telecommunications and industrial manufacturing.
Sumitomo Metal Mining traces its origins to copper trading and mining activities associated with the Sumitomo organization in Japan, with roots dating to the late sixteenth century. Today, the company operates and invests in mining, refining and materials businesses in Japan and internationally, including activities in the Americas and Southeast Asia. Its shares trade in the United States over the counter under the symbol SMMYY.
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