Sumitomo Electric Industries, Ltd. manufactures and sells various materials in Japan and internationally. The company operates in Environment and Energy, Infocommunications, Automotive, Electronics, and Industrial Materials segments. It offers vanadium redox flow battery, high voltage cable, sEMSA, industrial electric wires and cables, traveling cable, railway and transport machinery products, aluminum materials, heat shrink tubing and heat-resistant tubing/tapes, thermal control devices, and water treatment membrane; and fiber optic, fusion splicer and accessories, data center solutions, remote monitoring of FTTx distribution line, NanoPlug, CATV systems, set top box, optical and wireless devices, AirMT, non-contact multi-fiber interconnect, and low profile fiber-array. The company also provides electric wires and cables for automobiles, components for wiring harnesses, electronics, HVs and EVs, pedestrian radar, steel cords for tire reinforcement, steel wires for springs, abrasion-resistant parts, magnet wires, sintered ZnS lenses, wiring materials/electronics, sintered components, copper-diamond/molybdenum/ tungsten, chemical vapor deposition-diamond, sumicrystal, magnesium-silicon carbide, diamond/CBN cutting tool, dies wire drawing tool, and dresser, sintered aluminum-silicon carbide, and aluminum nitride. In addition, it offers electronic wires, flexible printed circuit, nickel alloy/cladded/plated wire, metal foam/electroplated wire, POREFLON PTFE membrane, the cross linked fluorine resin FEX, spiral shielded wires, coaxial cables, flat components, thunderbolt and USB4 cables, plated and alloy wires, and RGB laser modules; and PC steel wires, drills/endmills, CBN/PCD, milling and turning tools, and laser optics. The company was formerly known as Sumitomo Electric Wire & Cable Works and changed its name to Sumitomo Electric Industries, Ltd. in January 1939. Sumitomo Electric Industries, Ltd. was founded in 1897 and is headquartered in Chuo, Japan.