What about paying two social security payments?

If a party pays two social insurances, there is no double counting, and only one reimbursement can be selected. Social insurance premiums are paid jointly by employers and employees. Employees who are not employed by the employer can pay directly to the social insurance fee collection agency, but only medical insurance premiums and endowment insurance premiums can be paid.

Legal objectivity:

People's Republic of China (PRC) social insurance law

Article 60

The employing unit shall declare itself and pay social insurance premiums in full and on time, and shall not postpone or reduce the payment except for legal reasons such as force majeure. The social insurance premiums that employees should pay shall be withheld and remitted by the employer, and the employer shall inform me of the details of paying social insurance premiums on a monthly basis.

Individual industrial and commercial households without employees, part-time employees who have not participated in social insurance in the employing units and other flexible employees can pay social insurance premiums directly to the social insurance premium collection agencies.