Contact Us
Questions and inquiries about our company or the optical fiber business
Please contact from the following e-mail address.
bbb-info@bbbackbone.co.jp
bbb-info@bbbackbone.co.jp
Question and inquiries about sXGP
Please contact from the following e-mail address.
sXGP_secretariat@g.bbbackbone.co.jp
sXGP_secretariat@g.bbbackbone.co.jp