Comprehensive and Leading Technology: As a leading global manufacturer of integrated wiring harnesses and connectors, Sumitomo boasts strong technical expertise in high-speed and high-frequency (such as in-vehicle Ethernet), high-voltage (for electric vehicles), and precision miniaturization, ensuring its products are at the forefront of the industry.
Global Presence and System Support: With production and R&D facilities spanning the globe, Sumitomo closely collaborates with international customers (particularly Japanese and major global automakers) on simultaneous development, providing solutions from connectors to complete wiring harness systems.
Profound Industry Heritage and Reputation: With over a century of history and deep roots in diverse industrial sectors, the Sumitomo brand stands for technological authority and long-term reliability, earning widespread market trust.
