Your personal information will be used to respond to your inquiry.

・Please note that it may take time to respond depending on the details of your inquiry.
・We will respond to inquiries received on Saturdays, Sundays, national holidays, New Year's holidays, or summer holidays on or after the following business day.
・Responses will be sent to individual customers.
・Please refrain from diverting responses to others, in whole or in part, without the Company's prior permission.

Contact email address

Please direct all inquiries to the following email address.
kouhou@sinanengroup.co.jp