Sumitomo Electric Industries, Ltd. (Sumitomo) is a manufacturing company that develops, manufactures, and sells various products related to electronics, infocommunications, automotive, industrial materials, and environment and energy. The company’s product portfolio includes wiring harnesses, automotive hoses, car electrical equipment, telecommunication cables and equipment, optical/wireless devices, electronic wire products, flexible printed circuits and others. It also provides air cushions for railroad vehicle, power systems, power transmission wires, diamond and CBN tools, tungsten and molybdenum materials, Heat sinks and laser optics. Geographically, the company operates in the Americas, Asia Pacific, Europe, and others through its subsidiaries and offices. Sumitomo is headquartered in Osaka, Japan.