MERF Inc. collects, processes, manufactures, and sells various metals in Japan, South Korea, China, the rest of Asia, Europe, and internationally. It operates through two segments: Nonferrous Metals and Arts and Crafts. The company recycles and sells industrial materials and metal scraps, produces base metals for electrical wires and semiconductor base plates, and recycles, manufactures, and sells copper alloy ingots used in ship propellers, faucets, valves, and industrial machinery components. It also casts and sells fine arts, Buddhist statues, ritual articles, and large metal structures, and sells non-ferrous metals, copper and copper alloy fabricated products, and aluminum alloy ingots. Formerly known as Kurotani Corporation, it changed its name to MERF Inc. in January 2025. Founded in 1870, it is headquartered in Imizu, Japan.