According to Caijing.com's inquiry, due to different card types, the digits of CCB card number are also different:

1. China Construction Bank Wealth Card: card number 16 digits.

2. CCB private bank card: card number 16 digits.

3. CCB settlement card: the settlement card number is 16 digits.

4. China Construction Bank Longka (savings card): card number of savings card 19 digits.

5. Military Security Card of China Construction Bank: The number of the military security card is 19 digits.

In 2022, China Construction Bank's revenue was 822.473 billion yuan and its assets were 34.60 trillion yuan. Formerly known as China People's Construction Bank, it was established in 1 95410/01(later renamed as China Construction Bank on March 26th, 1996). The head office is located at No.25, Financial Street, Beijing. It is a large state-owned commercial bank managed by the central government and a national deputy ministerial unit. The main business areas of China Construction Bank include corporate banking, personal banking and treasury business, with branches and subsidiaries in 29 countries and regions, and subsidiaries in many industries such as funds, leasing, trust, life insurance, property insurance, investment banking, futures and pension.