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Wires
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Products for railway and transport machinery
Sumitomo Electric offers electric wires that play important roles in the railway field, and air springs that are used in industrial fields.
![Sumitomo_Electric_Magnet_Wire](/sites/default/files/styles/crop_sei_cp_656x410/public/2020-12/products/overview_card/magnet_wires2.jpg?h=1fcaf075&itok=kvLcvefJ)
Magnet Wires
Magnet wires play important roles in various fields in our daily life as key components including automotive electrical components...
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PC steel wires and high-strength shear reinforcement
PC steel, related construction methods, and related products
![Sumitomo_Electric_Plated_Wire](/sites/default/files/styles/crop_sei_cp_656x410/public/2020-12/products/overview_card/plated_wire.jpg?h=1c873aca&itok=HsQK7k8v)
Plated wires and alloy wires for electronic parts
Used as conductors for automotive and electronic parts, they are manufactured using nickel alloy technologies, metal composite technologies, metal surface treatment technologies.
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Steel cords for tire reinforcement
Steel cords and bead wires, etc., meet the needs to ensure the stability, safety, and comfort of tires.
![Sumitomo_Electric_steel_wires_for_springs](/sites/default/files/styles/crop_sei_cp_656x410/public/2021-01/products/overview_card/steel%20wires%20for%20springs.png?h=05de8242&itok=7PjaNxtz)
steel wires for springs
Sumitomo Electric’s steel wires for springs, including piano wires, oil-tempered wires, and hard drawn steel wires play important roles as automotive and electronic parts, etc.
![Slim Electric Wires](/sites/default/files/styles/crop_sei_cp_656x410/public/2020-12/products/overview_card/%E9%9B%BB%E7%B7%9A_%E7%B4%B0%E5%BE%84%E4%BD%8E%E5%9C%A7%E9%9B%BB%E7%B7%9A.jpg?itok=ILoh7nqg)
Electric Wires and Cables for Automobiles
The wires used in wiring harnesses have evolved in response to the need for greater compactness, reduced weight, and high-speed, large-volume communications.