China Bank Credit Card Service Hotline: 46695566
Customer Service Hotline (Telephone Banking): 95566
Platinum Credit Card VIP Service Hotline: 46695569
Transaction SMS number: 95566
Announcement notification SMS number: 169895566
Bank of China will take the initiative to increase the quota for you regularly or irregularly according to the user's consumption and overdraft, so as to facilitate your bulk consumption; You can also take the initiative to ask China Bank to adjust the credit line for you.
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Bank of China-Bank of China credit card usage guide.