Sumitomo Wiring Systems, Ltd.

manufacturerUnclaimed

Japanese Tier-1 automotive wiring harness OEM supplier to global automakers.

Yokkaichi, Japan 🇯🇵Founded 1917500+ employeessws.co.jp

About

Sumitomo Wiring Systems manufactures automotive wiring harnesses and connectors as a Tier-1 OEM supplier to Toyota, Honda, and other major automakers. The company is a member of the Sumitomo Electric Group and supplies B2B customers globally.

Categories: Vehicle Parts & Accessories
Primary markets: 🇯🇵 Japan 🇺🇸 United States 🇩🇪 Germany 🇨🇳 China
Certifications: ISO 9001 — Quality ManagementIATF 16949 — Automotive QualityISO 14001 — Environmental Management