1. You need to log in to the enterprise credit information system, click Information Query-Basic Information Query-China Logo Code Query to open the domestic enterprise query interface, and enter the institution credit code, organization code, national tax registration certificate number code, local tax registration certificate number code or industrial and commercial registration number (multiple numbers can be entered).

2. If the company list does not pop up, enter the code matching interface, enter the borrower's characteristics, enterprise name, organization credit code, organization code, registration number, taxpayer identification number (national tax) and taxpayer identification number (local tax), and click Next.

3. In the pop-up page, enter basic information such as "enterprise location", "registration type" and "borrower characteristics", and click "Issue Card". Finally, the system will automatically generate the enterprise identification code.

The sign code of an enterprise refers to the original loan card number, and the sign code is also an enterprise loan card, which can be inquired at the local people's bank or the commercial bank where the enterprise handles relevant credit business. Enterprises and individuals who have not applied for loan cards may submit credit code certificates to financial institutions when applying for loans.