Dowa Holdings Co., Ltd. operates in environmental management and recycling, nonferrous metals, electronic materials, metal processing, and heat treatment. Its environmental services include industrial waste incineration, landfilling, melting and recycling of incinerated ash, soil surveys and remediation, environmental consulting, recycling of metals and discarded household appliances, and treatment of automotive shredder dust. The company also produces metals such as gold, silver, copper, lead, tin, antimony, nickel sulfate, zinc, zinc alloys, indium, and sulfuric acid, and provides recycling of platinum-group metals and resource procurement services. In addition, it offers high-purity materials, gallium arsenide wafers, infrared and ultraviolet LEDs, electronic materials including silver, copper, and conductive atomized powder, advanced fine materials such as magnetic, carrier, ferrite, and compound oxide powder, and copper alloy strips, nickel alloy strips, reflow tin-plated strips, and forged brass. It also provides precious metal electroplating, design, manufacture, marketing, and maintenance of heat treatment facilities, and heat and surface treatment services. Formerly known as Dowa Mining Co., Ltd., it changed its name to Dowa Holdings Co., Ltd. in October 2006. Founded in 1884, it is headquartered in Tokyo, Japan.