1. Pay attention to the official account of "Jining Tax" WeChat, click "Social Security Payment and Proof Inquiry" in "Micro Service", select "Flexible Employment" and click "Inquiry". Just enter it according to the steps.
2. Log in to Shandong Electronic Taxation Bureau, click "User Registration", enter personal information, and click "Submit". Log in, select Jining City, and click "Social Security Payment".
3. Go to the tax window of Jining Municipal Affairs Service Center.