You can apply for credit at several banks at the same time. However, the bank's letter of credit is to be entered into the credit management system of the People's Bank of China when it is issued. The system can query the enterprise loan information of each bank. Therefore, if an enterprise applies for credit in several banks at the same time, as long as it goes through the withdrawal procedures, other banks can find it in PBOC system; Inquiring about the credit information system of the People's Bank of China is almost an indispensable link in the process of loan approval of every bank.