From Tamba, Connecting Trust and Quality.

セイコー電機とは About

Manufactring through technology, trust, and teamwork

Since our founding in 1970, we have been manufacturing wire harnesses in Tamba, building long-standing partnerships with leading companies.
At Seiko Denki, our strength lies in the attentive, high-quality service that only a skilled and dedicated team can provide — from custom-made products to small-lot production.
We take pride in listening closely to our customers and responding swiftly and flexibly to their detailed requests, including custom specifications and design changes.
With our advanced technology and strong teamwork, we will continue to pursue better manufacturing and deliver quality and reliability recognized around the world.

Wire Harness Business
Wire Harness Business
Wire Harness Business
Wire Harness Business

数字で見るセイコー電機製作所 In Number

Founded in 1970
Annual production: 1,543 part numbers (FY2024)
Manufacturing bases: Japan, Malaysia, Vietnam, Singapore
Certification: ISO 14001
Employees: Approx. 25 in Japan, 300 overseas
Site area: 1,500㎡ (Kaibara), 6,500㎡ (Ichijima)

拠点一覧 Locations

Our Production Support Network

We share the spirit of craftsmanship cultivated in Tamba with our overseas partner factories.By connecting each production base and uniting our technology and dedication, we uphold a trusted production network that ensures high quality, short lead times, and flexible response.

会社概要 Company

Building a Better Society with Gratitude and Craftsmanship

Our approach to manufacturing, our commitment to quality, and the passion of each employee reflect who we are as a company.We value the trust built with our customers and strive to contribute to society through reliable technology and strong teamwork.

ニュース News

コラム Column

We share updates on our daily activities and the charm of Tamba.

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