Company Information Top Page
Our drive to be a No.1 global company.
Sumitomo Wiring Systems operates on the global stage in 33 countries, with automotive wiring harnesses as its core business.
Product Information Top Page
Sumitomo Wiring Systems, Ltd. cooperates to make a better society through technology and high-quality products.
Technology creating the future
Technology creating the future Top Page
Sumitomo Wiring Systems, Ltd. reveals the future of automobiles, by connecting cars, people, and society to create unprecedented convenience.
CSR Activities Top Page
With the "Conect with the Best" spirit, we will contribute to establish a sustainable society, and a bright future.
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