The full name of Express Card is ETC Express Card, which is an electronic toll collection system applied to expressways. Using Express Card, you can realize non-stop charging, full automation, no need to stop and get the card, and no need to pay for export. You can pass when you see the highway entrance and exit that says ETC.
Hutong Card is mainly used in major expressways in Shanghai, Jiangsu and Zhejiang. In addition to automatic payment in the non-stop toll lane, users can also use Hutong card to swipe their cards in the artificial lane.
Generally speaking, American Express Card and Hutong Card are different in function and scope of use. The choice of which card to use mainly depends on the specific application requirements and use environment.