Bank of China Great Wall International Credit Card:

The annual fee is 12USD. The deposit of 500USD cannot be used. Overdraft is allowed, and the overdraft part can be repaid in RMB. Shanghai service hotline 95566.

Basically there is no problem. It is just time-sharing for sending TOEFL. If you request ETS to send to more than 4 schools at one time, there will be a refusal to pay. According to ETS requirements, sending to 4 schools at a time is no problem.

Because handling foreign currencies is Bank of China’s strength, many people are willing to apply for this kind of card.

International credit card of China Merchants Bank:

It used to require a deposit of 500USD, but it may not be required now. One card has dual currencies and can be overdrafted. Overdraft consumption in US dollars can be repaid in RMB. You can use the China Merchants Bank all-in-one card to make automatic repayments without having to go to the bank in person. Certain purchases can earn Air China flight miles. Not many people have applied for this card, so it’s unclear how effective it will be.