The inquiry would like a telephone or the email. In addition, please refer over a telephone because there is the case that an answer requires for a few days in the case of the inquiry by the email when urgent.

• Inquiry over the telephone
• TEL:(+81)6-7711-2580
• Time in(Japan time):(Mon~Fri)9:00~17:30

• Inquiry by the email
• koatsu@koatsugas.co.jp
• Please be sure to enter the person’s name and Company name when you contact us by e-mail.