Business card outlets. If Sutong Card etc Credit Card cannot be untied, you can go to the business hall to untie it. If you want to go to the business hall to untie, you need to prepare motor vehicle driving license, etc pass, motor vehicle driving license, etc-bound bank card and other materials. You can also go to the business outlets, truthfully fill in the etc agreement on expressway non-stop charging, and then submit all the information to the staff. After passing the staff review, the etc card can be untied.