Complain to the bank's customer service hotline (generally, credit cards are a sub-department of the bank and are under the jurisdiction of the head office).
Complain to the CBRC. 1, online complaint
Enter China Bank official website and click "Contact Us" to enter the customer service mailbox of China Bank.
Select "Complaint" in the "Feedback Category" of the email address, fill in the name, mobile phone, email address, complaint and other matters, and then submit.
2. Call customer service at 95566.
After connecting the phone, you can choose manual service according to the voice prompt. Then complain to the customer service staff about the specific situation and agree on the settlement time.
3. I hereby complain to the Banking Regulatory Bureau.
If you are not satisfied with the handling of the complaint by the bank, or if the bank fails to give a final reply within the agreed time after receiving the complaint, you can ask the banking regulatory bureau for help.
Complaints to the banking regulatory bureau shall be made in writing, and the complaint events and nature, the complainant's name and contact information shall be explained in detail.