Sumiden Vietnam Automotive Wire Co., Ltd.
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Sumidenso Vietnam Co., Ltd.
🇻🇳 Vietnam
2004More than 10000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
Large enterprise group
OEM manufacturer
Shipments
189038
Key customer
SUMITOMO
Key market
🇻🇳 Vietnam
Description
Sumidenso Vietnam Co., Ltd. is a major manufacturer and exporter of automotive electrical components and wiring systems based in Hai Duong, Vietnam. Established in 2004 as a 100% Japanese-invested enterprise, the company operates as a key subsidiary of the Sumitomo Wiring Systems group and the broader Sumitomo Electric Group. With a massive workforce of over 11,000 employees and four specialized factories, it is recognized as one of the largest wire harness assembly plants in the country. The company specializes in the manufacturing, processing, and sales of wiring harnesses for automobiles, motorcycles, and office equipment, including printers. Its extensive product portfolio includes electric wires, signal transmission wires, harness components, plastic tubes, and precision jigs. Sumidenso Vietnam is a critical player in the global automotive supply chain, providing high-quality components for prominent vehicle models such as the Camry, Noah, and Harrier. The company maintains a strong export focus, primarily serving international markets in North America and Asia, supported by advanced production technology and robust R&D backing from its parent group. In addition to manufacturing, the company provides technical services such as industrial machinery installation, maintenance, and management consulting for industrial projects.
wiring harnesses
Products for HVs and EVs
wiring harnesses
wiring harnesses
wiring harnesses
wiring harnesses
Sumi Vietnam Wiring Systems Co., Ltd.
🇻🇳 Vietnam
20085001-10000 peopleManufacturer/Trading Company/DistributorHigh capacity factory
Large enterprise group
Multinational enterprise
Eco-friendly supplier
Shipments
13670
Key customer
SUMITOMO WIRING SYSTEMS
Key market
🇺🇸 United States
Description
Sumi Vietnam Wiring Systems Co., Ltd. (SVWS) is a prominent manufacturer and distributor specializing in electrical wiring systems for the automotive and motorbike industries. Established in 2008 as a 100% Japan-invested entity under the global Sumitomo Wiring Systems group, the company operates extensive manufacturing facilities in Vietnam, including sites in the Duy Tien district and industrial parks in Ninh Binh. With a workforce of 5,001 to 10,000 employees, SVWS is a critical component manufacturer and contract partner for major global brands, including Honda Vietnam.
The company's core product portfolio focuses on automotive wiring harnesses, ignition wiring sets, and specialized components for hybrid (HV) and electric vehicles (EV). Their technical capabilities extend to the production of electric wires and cables, automotive connectors, electrical terminals, electronic control units (ECUs), and convoluted tubes. Additionally, they provide essential hardware such as automotive fuses, electrical relays, grommets, and heat-resistant shielded cables.
As a key player in the international supply chain, SVWS maintains a robust export presence, particularly serving markets in the United States, Canada, and South America. The company offers comprehensive OEM and ODM services, supported by the broader Sumitomo group's research and development in electrification, autonomous driving, and connected car technologies. Beyond its primary manufacturing role, SVWS engages in wholesale trade, machinery rental, and complex logistics operations to support its global automotive customers.
Wire Harness Connector
Wiring Harnesses for HVs and EVs
Terminal
Quick Connection Terminal
IPDM
Wiring Harnesses
Wiring Harnesses
