1. First log on to the public service platform for continuing education of professional and technical personnel in Jilin Province and enter the personal center page.

2. On the personal center page, select the "Company Information" option to enter the company information page.

3. On the company information page, find the option of "Company Region" and click "Modify".

4. In the pop-up window, select the correct company area, and then click OK.

5. Finally, click "Save" to save the modified company region in the system.

The public service platform for continuing education of professional and technical personnel in Jilin Province is a platform for providing online learning, examination, certificate management and other services for professional and technical personnel in Jilin Province. In this platform, the unit area refers to the area where the unit is located, and its correct setting is very important for the study, examination and certificate management of the unit.