Sumitomo Wiring Systems
Baed in Yokkaichi, Japan. Sumitomo Wiring Systems (SWS), is the mother company of SEWS-E.
See the SWS website for more information
Leading Automotive technology development on a truly global scale.
Technological innovation is led by design and the motivation for constant improvement, fuelled by the desire to improve products and materials for the benefit of vehicle manufacturers, consumers and for the good of Planet Earth.