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.
［9:00 to 12:00 / 13:30 to 17:00］
As we are encouraging telecommuting, please contact us by e-mail.
Please contact us through Défi website.
TEL +81-258-24-3311（Major Representative）
［9:00 to 11:30 / 12:30 to 17:00］
Attention: Business Planning Dept.
Sumitomo Mitsui Trust and Banking Corporation Securities Department
Personnel & General Affairs Department
［9:00 to 13:00 / 14:00 to 17:00］