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This page shows a number of ways that you can contact us, including our mailing address and contact information. If you would like to send us an email, please complete the form at the bottom of the page and click the "Send Email" button.

Group Info

Payment Address
c/o KEY International
19300 S. Hamilton Ave #290
GardenaCA  90248
United States of America
Official / Street Address
20705 Western Ave #213
TorranceCA  90504
United States of America
Phone Number

Group Contacts

Daihyo Sewanin
Nobuaki Soi
Daihyo Sewanin
Toshio Horiba

Send Us an Email


Website Technical Support

If you have a ClubExpress transaction on your credit card statement, technical support questions about this website or questions about ClubExpress, please call ClubExpress Technical Support.

Please Note We are unable to provide information on Seiwajyuku Los Angeles activities or policies, or to supply contact information that is not already displayed on this page.

1-866-HLP-CLUB (457-2582 - outside the US, +1 847-255-0210)