DOWA HOLDINGS Co., Ltd. engages in the management of its group companies involved in recycling, mining, and smelting. It operates through the following segments: Environment and Recycling, Smelting and Refining, Electronic Materials, Metal Processing and Heat Treatment Division. The Environment and Recycling Division segment operates businesses such as waste disposal, soil purification, resource recycling, and logistics. The Smelting and Refining Division segment manufactures and sells gold, silver, copper, lead, zinc, zinc alloys, indium, platinum, palladium, rhodium, tin, antimony, sulfuric acid, and other metals. The Electronic Materials Division segment manufactures and sells high-purity metal materials, compound semiconductor wafers, LEDs, conductive materials, battery materials, magnetic materials, reduced iron powder, and other products. The Metal Processing Division segment manufactures and sells copper, brass and copper alloy plates and strips, brass rods, circuit boards, etc., and also provides plating services. The Heat Treatment Division segment is engaged in the heat treatment and surface treatment of metal materials such as automotive parts, as well as the manufacture, sale and maintenance of heat treatment processing equipment and related equipment. The company was founded on September 18, 1884 and is headquartered in Tokyo, Japan.