Company Information Top Page
Sumitomo Wiring Systems operates on the global stage in over 30 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.
You can download the CSR Report as a PDF file.
CSR Report 2018
See Table of Contents/Index
Download Full Text (PDF 4.2MB)
You can download reports from up until last year as a PDF file.