As long as your card has the VISA, MASTERCARD or American Express logo on it. At the same time, if it is not marked "for use in mainland China only", you can swipe the card at merchants in Taiwan that support VISA/MASTERCARD or American Express.
It doesn’t matter what bank’s credit card you have.
Currently, UnionPay has not yet laid out its network in Taiwan.
So, if you are using a UnionPay standard credit card starting with 62, you will not be able to conduct credit card transactions or cash withdrawal transactions in Taiwan.
In other words, as long as your card is ICBC’s dual-currency credit card (that is, the one with a foreign currency account), you can make purchases at merchants in Taiwan that support the corresponding card type. Currently, most of them Some merchants in Taiwan that accept credit cards support VISA/MASTERCARD or American Express.
You can use it with confidence.
You can repay according to the bill after returning to your country.