What are the specific steps of China Bank's credit card online banking? What do you mean by the main card and the secondary card of China Bank Credit Card?
Take your ID card and bank card and open it at the bank counter. The main card of the credit card is your own. If you want to share it with your family, you can apply for a supplementary card. Two cards share a quota. You can set the consumption authority of the secondary card and repay it together.