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For comments and inquries, please use the contact form below.
Inquiries during Saturdays, Sundays and our holidays, we will reply on the following business day.
Telephone calls are accepted only on weekdays, excluding our holidays.
Please note that depending on the content of your inquiry,
it may take some time to reply or we may refrain from replying.

*We, Nippon Seiki Co., Ltd. , do not sell directly to end users or repair parts(except Défi).
In the case of aftercare service or repairs, please contact the car dealer or shop where you purchased the products.

Inquiries by e-mail
Inquiries by telephone

Inquiry field*

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*For more information on how we handle personal information, please see our Privacy Policy.

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Inquiries by telephone

+81-258-24-3311（Major Representative）　
［9:00 to 12:00 / 13:30 to 17:00］

Inquiries about Products

Instrument clusters for automobiles/ sensors, Meters for motorcycles/general-purpose instruments, Automotive EMS, Component EMS, IoT EMS

As we are encouraging telecommuting, please contact us by e-mail.

Défi

Please contact us through Défi website.

IR inquiries

TEL +81-258-24-3311（Major Representative）　
［9:00 to 11:30 / 12:30 to 17:00］
Attention: Business Planning Dept.

Inquiries regarding procedures for stocks

Sumitomo Mitsui Trust and Banking Corporation Securities Department
TEL 0120-782-031

Please contact the securities company that has the transaction account for notification of address changes and inquiries.Prior to the digitization of stock certificates, if a shareholder has not held a stock certificate through a security company in the JASDEC, an account (called a special account) has been established at the above-mentioned Sumitomo Mitsui Trust Bank, which is the administrator of the company's stock list. Please contact Sumitomo Mitsui Trust Bank for inquiries regarding special accounts and notification of address changes, etc.

Recruitment Inquiries

Personnel & General Affairs Department
TEL +81-258-24-0233　
［9:00 to 13:00 / 14:00 to 17:00］

Nippon Seiki plans, designs, develops, manufactures, and sells electronic devices and mechatronics products, including in-vehicle and consumer display products.