In the lower right corner of the CCB card, there will be pinyin abbreviations in this area. For example, the card number is 436722333344555, the first four digits are the name code of the bank, the last four digits are the use code of the card, the middle four digits are the activation time of the card, the last four digits are the branch location code, and the last three digits are the user's personal code. Used to distinguish the regions and types of bank cards.
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.