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.
Magnet wires play important roles in various fields in our daily life as key components including automotive electrical components...
PC steel wires and high-strength shear reinforcement
PC steel, related construction methods, and related products
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.
Steel cords for tire reinforcement
Steel cords and bead wires, etc., meet the needs to ensure the stability, safety, and comfort of tires.
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.