Contact us

• Sponsorships：sponsorship@coscup.org
• Programs: program@coscup.org
• Event marketing and promotion: marketing@coscup.org
• Register and others: attendee@coscup.org

Official Chat Room

COSCUP IRC channel is hosted on Freenode. You may use your favorite IRC client to join chat.freenode.net#coscup.

You may also use the web chat interface provided by Freenode.