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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    • SWS's 100th Anniversary Special content
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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
  • CSR Activities

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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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Environmentally sound products

Sumitomo Wiring Systems, Ltd. have been publishing "Environmental Reports" from 2001 every year to disclose environmental activities, although decided to change the form into the "CSR report" from 2008, to pursuit for a better relationship with the stake holders.

  • High Frequency Connector for Radio Number16
    High Frequency Connector for Radio
  • Aluminum Wire Harness Number15
    Aluminum Wire Harness
  • Multi-function and lightweight FUSE BOX Number14
    Multi-function and lightweight FUSE BOX
  • Ecological waterproof wire end welding splice Number13
    Ecological waterproof wire end welding splice
  • Connector for ATF Number12
    Connector for ATF
  • VOC countermeasure non-waterproof soft tape Number11
    VOC countermeasure non-waterproof soft tape
  • Φ3 Corrugated Tube Number10
    Φ3 Corrugated Tube
  • Mini Connector Number9
    Mini Connector
  • Terminal for middle-current, sealed connector Number8
    Terminal for middle-current, sealed connector
  • Power Distribution(PD) with Lead-Free Solder Number7
    Power Distribution(PD) with Lead-Free Solder
  • VOC countermeasure tape (Low-toluene type) Number6
    VOC countermeasure tape (Low-toluene type)
  • CHFUS 0.13mm2 Wires Number5
    CHFUS 0.13mm2 Wires

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Download CSR Reports Introduction of SWS group's CSR activities Details
CSR Activities Top Page

Company Information

  • Greetings
  • Corporate Principles
  • Corporation strategy
  • 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

  • Top message
  • CSR Management
  • Sports support
  • Your Opinion

Recruitment Information

Contact Us

SWS News

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  • Global Privacy Policy
  • Terms of Use
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