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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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Product Information

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

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Wiring Harness for Automobiles

Harness Components
Exterior Parts
Technology creating the future
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Technology creating the future

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

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“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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8 Priority Items in the Promotion of CSR Activities

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Environmentally sound products

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SWS News

January 6, 2014

Others

Summary of New Year speech of 2014 (for employees)
July 5, 2013

Press Releases

Established company in Russia that manufactures and sells wiring harnesses for automobiles
June 5, 2013

Press Releases

Establishment of subsidiary for promoting employment of persons with disabilities
May 8, 2013

Press Releases

Changes to the Appointment of Directors and Executive Officers (Unofficial) (PDF 90.7KB)
April 1, 2013

Press Releases

Outline of President's Greeting in Initiation Ceremony of Year 2013
March 4, 2013

Press Releases

Automobile Aluminum Electric Wire Production Base Set Up in Thailand
January 7, 2013

Others

Summary of New Year speech of 2013 (for employees)
October24, 2012

Press Releases

Establishment of a Joint Venture with German REMA for the Development of EV Charging Connectors
May11, 2012

Press Releases

Changes to the Appointment of Directors and Executive Officers (Unofficial) (PDF 91.2KB)
April 5, 2012

Press Releases

Developed next-generation harness design system "HARBEST" and commenced production runs

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