I am from Bank of China, so let me answer it.

The presiding cardholder deposits a deposit with Bank of China. It can only be taken out after the card is canceled. The amount of the deposit is the credit limit.

A copy of the cardholder’s ID card and fill in an application form. Go to a bank branch and freeze the deposit first. Then use a copy of your ID card, application form, and freezing letter as materials to apply for an international credit card. Of course, it is best for the person holding the card to have a normal job and have social security records.

If you are a VIP customer, you do not need to deposit a deposit, but the bank branch must issue a VIP certificate instead.

You can apply for an supplementary card, as long as you provide a copy of the supplementary card holder’s ID card and proof of relatives (usually household register, etc.).

An annual fee is charged. Both primary and supplementary cards charge annual fees, but now international cards have also changed the business rules. Just like an ordinary credit card, if you swipe it more than 5 times, the annual fee for the next year will be waived. But each brushes his own, and each exempts his own.