| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
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| Shikoku Cable North America, INC. | ||||||||
| Shikoku Cable Vietnam Limited | ||||||||
| 四国電線(東莞)有限公司 | ||||||||
| SHIKOKU CABLE DONE | ||||||||
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Established the Shikoku Electric Wire factory in Motoyama-cho, Takamatsu City, Kagawa Prefecture. Began manufacturing insulated wires.
Started manufacturing coaxial cables for TV co‑viewing and feeder lines.
Received the Minister of International Trade and Industry Award as an exemplary statistical management factory.
Established as Shikoku Electric Wire Industrial Co., Ltd.
Developed aluminum‑sheathed coaxial cables.
Developed aluminum foil coaxial cable.
Closed Takamatsu Motoyama factory and fully operational new factory in Kankawa-cho, Sanuki City, Kagawa Prefecture.
Approved as a factory for JIS (now JIS) labeling.
Approved as a compliant equipment for use in NHK construction.
Received Labor Standards Bureau Director's award as an excellent safety management factory.
Becomes a JIS-approved factory for television reception coaxial cable.
Initiated research and development on plastic optical fiber cable.
Awarded the Shikoku Commerce and Industry Bureau Director's Prize as a factory implementing industrial standardization.
Authorized as a designated supplier of coaxial cable to Shikoku Electric Power.
Organizational change to Shikoku Electric Wire Co., Ltd.
High foam coaxial cable approved as compliant equipment for use in NHK construction.
Started manufacturing coaxial cable processed products.
Satellite broadcast coaxial cable adopted as construction-compatible material for the Housing and Urban Development Corporation.
Established Shikoku Electric Wire (Hong Kong) Ltd. in Hong Kong.
Established Shikoku Electric Wire (Dongguan) Ltd. in Guangdong Province, China (Dongguan factory).
Obtained UL certification for high-frequency coaxial cable.
Started manufacturing coaxial cable at the Dongguan factory.
Additional approval granted for new product categories of JIS-approved television reception coaxial cable.
Completion of headquarters building and processing factory.
Obtained ISO 9001 certification for quality management system.
Obtained ISO 14001 certification for the Environmental Management System.
Shikoku Electric Line (Dongguan) Co., Ltd. (Dongguan Factory) Second Factory Completed.
Obtained Sony Green Partner certification.
Established Shikoku Cable North America, INC. in Detroit, USA.
Obtained new JIS certification.
Established Shikoku Cable Vietnam Limited in Hanoi, Vietnam.
Completion of the second factory of SHIKOKU CABLE DONE VANⅢ BRANCH.
On June 8, Reiwa 8, our company obtained the Ministry of Health, Labour and Welfare certification "Kurumin Certification" as a child-rearing support company, and received the certification notice from the Kagawa Labor Bureau.
Shikoku Electric Wire attended the first annual certification notice joint delivery ceremony for certified companies, hosted by the Kagawa Labor Bureau, on October 16, 2026, and received the certification notice. The company obtained the "Kurumin Certification" in June 2026. It also stated that it will continue to promote a workplace environment that allows balancing work and childcare.
For three days from October 14 to 16, we accepted students from Kagawa Prefectural Shido High School and had them experience work in the wire manufacturing department, quality assurance department, and operations department. Through work related to manufacturing, quality assurance, and transportation, it was an opportunity to deepen understanding of the roles and job content of each department. We will continue to work with local educational institutions to nurture the occupational views of the younger generation.
On October 13th, as part of our community contribution activities, we carried out a beautification activity for 'Kagawa Sawayaka Road'. We focused on cleaning the sidewalks along Prefectural Route 10 in front of the company, and we will continue to work on environmental beautification and creating a comfortable and beautiful city in the future.
Four second-year students from Ryoun Junior High School took part in a workplace experience at Shikoku Electric Wire. They attached and inspected communication cable connectors, worked in groups, and shared ideas, learning about wires and manufacturing. Students commented on how commonly wires are used and what they learned from inspection work.
Two students took part in a one-day internship. In the morning, they learned about the company and experienced electrical wire design, connector processing, and evaluation checks. In the afternoon, they did group work on “five whys” analysis in the Quality Assurance Department. During a Q&A session, they spoke with the vice president and employees to learn more about the work and company. Participants said the importance of analysis and the vice president’s enthusiasm made an impression on them. The company hopes the internship conveyed the appeal of its manufacturing.
Shikoku Electric Wire Co., Ltd. will continue its employee birthday present project this fiscal year as part of its welfare benefits. This project, which began at the suggestion of the Kirasapo Promotion Committee—centered on female employees—aims to celebrate employees’ birthdays and contribute to the local community. Employees who celebrate a birthday will receive baked goods manufactured at the Sanuki City Life Support Center Nozomi in Kagawa Prefecture.
Shikoku Electric Wire Co., Ltd. received the “Kurumin” certification from the Minister of Health, Labour and Welfare on June 8 2026, under the Next‑Generation Child‑Raising Support Promotion Act, recognizing it as a child‑raising support company. The certification reflects the company’s efforts to support work‑life balance for parents and create a work‑friendly environment, and it aims to continue building a workplace where diverse talent can thrive and to contribute to the local community.
We will hold a 1-day internship that allows students to experience actual work. By seeing, touching, and feeling the real workplace, this is a valuable opportunity to gain hints for choosing future career paths. Please see the flyer for details.
Shikoku Electric Wire Co., Ltd. will hold a five-day internship at its headquarters from August 24 to 28, 2026, allowing participants to experience communication cable specification design, prototype manufacturing, and evaluation. The program is aimed at students interested in technical roles in design, manufacturing, and quality. Applications can be submitted via the provided URL.
The company has introduced a differential scanning calorimeter (DSC) to measure endothermic and exothermic reactions in resin materials. It can analyze thermal history and melting and crystallization temperatures. This capability supports process verification, product development, and failure analysis, enabling faster and more accurate in-house testing.