There is power in a trusted brand.
We at Sumitomo Electric Wiring Systems (SEWS) build our reputation on this. We are a part of the Sumitomo family of companies, a 400 year old brand synonymous with quality and reliability. In today’s automotive industry, SEWS products set the standard of excellence while meeting and exceeding our customers’ expectation of quality, delivery, and cost.
See why our products are the finest in the automotive industry.
Developing new technologies and understanding efficient design principles have enabled Sumitomo Electric Wiring Systems to design, develop, and manufacture products the automotive industry wants.