It is true that Guangfa Bank’s credit card issued a lawyer’s letter and a WeChat email. According to the information on the official website of China Guangfa Bank, after the credit card is overdue, China Guangfa Bank will notify the credit card holder to repay through the bank's reserved mobile phone number, reserved email, etc. If the credit card is seriously overdue, it will sue the borrower and send a lawyer's letter. Guangfa Bank was established in September 1988 with a registered capital of 11.408 billion yuan and its headquarters is at No. 713 Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province, China.