The cash advance generally does not exceed 50% of your credit limit and does not exceed the current available limit of the card. Cash advances do not enjoy the interest-free repayment treatment. Interest will be charged at a daily interest rate of 0.5% from the bank accounting date, and compound interest will be charged monthly. According to regulations of the Supervision Bureau, credit card overdraft withdrawals through the UnionPay network shall not exceed the equivalent value of RMB 2,000 per card per day. Withdrawal through overdraft through non-UnionPay network shall not exceed the equivalent value of US$1,000 per day and the equivalent value of US$5,000 per month.

Overseas: 1) Withdraw local currency at an ATM with the "UnionPay" logo, and pay a cash withdrawal fee of "12 yuan of the cash withdrawal amount (currently 0.5)", of which 1 ( Currently, the price is 0.5). The minimum is ￥2 yuan and the maximum is ￥50 yuan;

2) Withdraw local money at ATMs and bank counters with VISA, [PLUS], MasterCard, [CIRRUS], and JCB logos. Currency, the cash withdrawal fee is 3% of the cash withdrawal amount, with a minimum of 3 USD/EUR.

The above two paragraphs are from the FAQ on China Construction Bank’s credit card website. According to what they wrote, your credit card can be used to withdraw cash overseas, and the limits and handling fees are all written above. It's quite clear, you can refer to it.