Because ABC's visa Olympic credit card (debit card) is a consumption abroad credit card, some UnionPay POS machines and cash withdrawal services in China cannot be used, but they can also be used through Taobao, binding WeChat QR code payment, ABC's direct connection with POS machines and Haitao consumption.
If you want to use a credit card (debit card) in China, it is best to apply for a credit card (credit card) with the UnionPay logo, or ask the bank staff whether this card supports domestic consumption when applying for a credit card (credit card).