Sumitomo Wiring System, Ltd. Sumitomo Wiring System, Ltd.

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    Company Information

    Sumitomo Wiring Systems operates on the global stage in over 30 countries, with automotive wiring harnesses as its core business.

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    • Greetings
    • Corporate Principles
    • Corporation strategy
    • Company Profile
    • SWS's 100th Anniversary Special content
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  • Product Information

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    Product Information

    Sumitomo Wiring Systems, Ltd. cooperates to make a better society through technology and high-quality products.

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    • Wiring Harnesses for Automobiles
    • Electric Wires and Cables for Automobiles
    • Components for Wiring Harness
    • Electronic Products
    • Products for HVs and EVs
  • Technology creating the future

    Technology creating the future Top Page

    Technology creating the future

    Sumitomo Wiring Systems, Ltd. reveals the future of automobiles, by connecting cars, people, and society to create unprecedented convenience.

    Technology creating the future Top Page

    • “Electrification” for the preservation of the environment
    • “Connected cars” : increasing the level of convenience
    • The “Autonomous car” and its contribution to safety
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    CSR Activities

    With the "Conect with the Best" spirit, we will contribute to establish a sustainable society, and a bright future.

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  • Logo Concept for the 100th Anniversary
  • Celebrating the 100th Anniversary of our founding
  • Connecting technology
  • Business regarding 100th anniversary of our founding

Connecting technology

A variety of products have been manufactured in various fields during the 100 years
since our establishment.However, what lies at the base is always electric wires.

1917 - Production start of
the electric wire

  • Electric wire
  • Information communicating cable
  • Harness for
    motorcycle
  • Harness for
    automobile
  • Spark plug
    cord
  • Battery Cable
  • Electric wire for home appliances
  • Waterproof connector
    for automobiles
  • JB, RB
  • A-JB (Body ECU)
  • Wheel speed sensor
  • Terminal
  • Appliance connector
  • Protection parts
  • Wiring harness for Airbag system
  • AVSS
  • Cable for FA"Robotop"
  • Center cluster module
  • Multipolar lever-styled
    connector
  • Connector for
    Airgag ECU
  • Elastomer grommet
  • High frequency connector
  • High voltage
    wiring harness
    for EV/HEV
  • High voltage wire for EV/HEV
  • Integrated system for
    information & power supply
  • Monitoring camera for
    in-vehicle environment
  • Power distributor
  • 0.64mm Type
    Waterproof Connector
  • Press fit connector
  • FFC wiring Harness
  • Wiring harness for
    Power sliding door
  • Aluminum-Pipe-Shielded
    High-Voltage Wiring Harness
  • Halogen-free wire
  • CU-SUS0.13mm2
  • Gateway Unit
  • Reactor
  • DC/DC Converter in
    Energy Recovery
    System
  • EV/PHV Charging Connector
  • Aluminum wiring harness
  • Aluminum wire

Mega supplier of automotive components

Electric wire

Information communicating cable

Harness for motorcycle

Harness for automobile

Spark plug cord

Battery Cable

Waterproof connector for automobiles

Electric wire for home appliances

JB, RB

A-JB (Body ECU)

Wheel speed sensor

Terminal

Appliance connector

Protection parts

Wiring harness for Airbag system

AVSS

Cable for FA"Robotop"

Center cluster module

Multipolar lever-styled connector

Connector for Airgag ECU

Elastomer grommet

High frequency connector

Wiring harness for Power sliding door

High voltage wiring harness for EV/HEV

High voltage wire for EV/HEV

Integrated system for information & power supply

Power distributor

Monitoring camera for in-vehicle environment

0.64mm Type Waterproof Connector

Press fit connector

FFC wiring Harness

Wiring harness for Power sliding door

Halogen-free wire

CU-SUS0.13mm2

Gateway Unit

Reactor

DC/DC Converter in Energy Recovery System

EV/PHV Charging Connector

Aluminum wiring harness

Aluminum wire