I don't know which province you are from. There are some differences in different provinces, but they are generally registered, logged in, filled out, submitted and submitted. You Baidu search "National Enterprise Credit Information Publicity System", click on the home page of your province, click on the enterprise publicity information to fill in, and then follow the requirements step by step. If it is from Jiangsu, you can follow the picture below.
Fill in "Save and Next Page" for each page until it is previewed and submitted.