Sumi Philippines Wiring Systems Corporation (Philippines)

Sumi Philippines Wiring Systems Corporation is a Philippines-based manufacturing company belonging to the Sumitomo Electric and Sumitomo Wiring Systems group, specializing in automotive wiring harnesses and low-voltage automotive wire and cable. Located in the Hermosa Ecozone Industrial Park in Bataan, the company produces complex wiring harness assemblies and related wire and cable products that form essential electrical and electronic distribution systems for vehicles. Its operations are predominantly export-oriented, supplying wiring harnesses to the parent company in Japan and to affiliated entities in North America, while also providing automotive wire and cable to local automotive industry affiliates. The business integrates high-volume, labor-intensive assembly lines with stringent quality control and process engineering in compliance with automotive industry standards, supported by a large workforce and structured training programs. Sumi Philippines Wiring Systems operates within the wiring device manufacturing sector, contributing significantly to the production capacity of the group's global automotive network. Strategically, the company functions as a key low-cost, high-skill manufacturing hub within the Sumitomo Electric group's automotive segment, focusing on consistent quality, just-in-time delivery, and competitive cost structures to serve global automotive original equipment manufacturers and to support the broader shift toward more electronically complex and electrified vehicles.