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

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  • Company Information

    Company Information Top Page

    Company Information

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

    Company Information Top Page

    • Greetings
    • Basic Principles
    • Charter of Corporate Behavior
    • Company Profile
    • SWS's 100th Anniversary Special content
    • Ad & Video gallery

  • Product Information

    Product Information Top Page

    Product Information

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

    Product Information Top Page

    • 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

  • CSR Activities

    CSR Activities Top Page

    CSR Activities

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

    CSR Activities Top Page

    • Download CSR Reports
    • Sports support
    • Environmentally sound products
    • Your Opinion
  • Recruitment Information
  • Contact Us
  • SWS News

Celebrating the 100th Anniversary of our founding. Looking towards the next 100 years, with our connecting technology. Celebrating the 100th Anniversary of our founding. Looking towards the next 100 years, with our connecting technology.

Introduce SWS's Ad & Video Gallery. Introduce SWS's Ad & Video Gallery.

SWS NewsList

  • April 1, 2021

    Press Releases

    Summary of Greetings from President to 2021 New Employees (PDF 205.2KB) NEW

  • January 6, 2021

    Press Releases

    2021 New Year Message from the President (PDF 668.6KB)

  • December 8, 2020

    Others

    Release of SWS's CSR Report 2020

  • May19, 2020

    Press Releases

    Changes to the Appointment of Directors and Executive Officers (Unofficial) (PDF 326.7KB)

About Sumitomo Wiring Systems An introduction to Sumitomo Wiring Systems
including the basic principles,
greetings, and company overview. Details
CSR Activites With the "Connect with the Best" spirit,
we will contribute to establish
a sustainable society,and a bright future. Details
Product Information With the wiring harnesses as our core product,
we provide a variety of products to meet the needs
of these rapidly changing times,
such as electric automobiles,
hybrid car-related components, and electronics. Details
Recruitment Information A strong will is a major part of good manufacturing.
We have information regarding
the recruitment of new graduates,
people interested in a career change,
people with disabilities,
general staff, interns, etc. Details

Company Information

  • Greetings
  • Basic Principles
  • Charter of Corporate Behavior
  • Company Profile
  • SWS's 100th Anniversary Special content
  • Ad & Video gallery

Product Information

  • 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

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

CSR Activities

  • 8 Priority Items in the Promotion of CSR Activities
  • Activity Report
  • Download CSR Reports
  • Environmentally sound products
  • Sports support
  • Your Opinion

Recruitment Information

Contact Us

SWS News

  • Information Security Policy
  • Privacy Policy
  • Basic Policy regarding Specific Personal Information
  • Terms of Use
  • Sitemap

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