The Sumitomo Electric Group strives to provide solutions for contribute supporting the further evolution of mobile devices, automobiles and aviation equipment.
Railway infrastructure-related: PC steel wire, contact wires, rigid conductor rail, power cables.
Bogie-related: primary suspension and anti-vibration rubber for railway, air spring.
Rolling stock vehicle body-related: SUMITUBE™heat shrinkable tubing, SUMITUBE™STS(solder termination sleeves), SUMITAG™.