C5 invites you to join official QQ group, and let us hear your voice
Dear user, welcome to C5GAME. To protect your safety and experience, please complete your profile soon.
To bind Steam will make your C5 account have more permission
Set Steam trade link
No link, no trade, trade link is the bridge which connects Steam inventory and C5
Bind phone number
To bind phone will make your C5 account more safe