Contact us-Inquiry form-

Although we accept inquiries 24 hours a day, please note that it may take more time than usual for a representative to contact you during extended holidays such as New Year’s and the Golden Week summer vacation.

Sending-out-mail check site

Your message is being sent to SINKO. Please re-check your message is correct and click Send to send your message.


Please do not click the “Send” button more than once.
Please exercise care as clicking the “Send” button more than once may result in an error.

For security reasons, we delete emails with attached file.
Also, we never refer to URL.