2. CCB Rongcheng Card is a composite card which conforms to PBOC2.0 standard and has both magnetic stripe and chip medium on the card surface. It is a citizen-specific card that came into being to facilitate Chengdu citizens to complete quick payment in public transportation places. It is the first time to realize the subsection charging of subway and rental in the application of domestic financial ic card industry. At present, with this card, you can pass all the gates of the opened stations of Chengdu Metro 1 Line and Line 2, and you can swipe your card to take the second ring road 12000 taxi and BRT in Chengdu.

3. Credit Card (English: credit card), also called credit card. It is a non-cash transaction payment method and a simple credit service. Credit card is generally a special carrier plastic card with consumer credit, which is 85.60mm long, 53.98mm wide and 1mm thick. It is issued by banks to individuals and units, so that they can shop, spend and deposit and withdraw cash from banks. The form is a card with the name, expiration date, number and cardholder's name printed on the front, and a magnetic stripe and signature on the back.

Credit cards are issued to cardholders by banks or credit card companies according to the credit and financial resources of users. Cardholders do not need to pay cash when using credit cards, but will make repayment on the billing date.