CONTACT
Inquiry by telephone
[On or after January 1, 2026]
Head Office
Phnoe：(042) 321-3753
Person in charge：Tomono
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■Kofu Factory (Semiconductor test business/Assembly business)
Phone : (055) 266-4840
Person in charge : Hirose
■Niigata Factory (Assembly business)
Phone : (0254) 53-2281
Person in charge : Shida
■System development center (Hardware and software development)
Phone : (025) 245-4576
Person in charge : Tokita
Inquiries by E-mail
For inquiries, please fill out the form below and click the “Confirm” button.