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Generally, the branches we refer to include the branches of China Construction Bank, Postal Bank and Bank of Communications, and refer to the bank outlets that specifically handle cards. Usually used in banks, refers to banks that open bank accounts. China Postal Savings is also a kind of commercial bank, not a branch of any bank. China Postal Savings Bank inherited the postal finance business operated by the former State Post Bureau and China Post Group Company and the assets and liabilities arising therefrom, and continued to engage in the business approved by the original business scope and business license documents: Postal Savings Bank is a commercial bank under China Post, not a branch of anyone.