MERF Inc. engages in the collection, processing, manufacture, and sale of various metals in Japan, Korea, rest of Asia, Europe, and internationally. The company operates through two segments, Nonferrous Metals and Arts and Crafts. It recycles and sells industrial materials and metal scraps, as well as produces base metals that are used as raw materials to manufacture electrical wires and semiconductor base plates. The company also recycle, manufactures, and sells copper alloy ingots, which are used in marine propellers, plumbing hardware, valves, and industrial machinery parts; and casts and sells works of fine arts, Buddhist statues, ritual articles, and large metal structures. In addition, it is involved in the sale of non-ferrous metals and copper and copper alloy fabricated products, as well as manufacture and sale of aluminum alloys ingots. The company was formerly known as Kurotani Corporation and changed its name to MERF Inc. in January 2025. MERF Inc. was founded in 1870 and is headquartered in Imizu, Japan.