What is the significance of the virtual account for the renewal of social endowment insurance for flexible employees in Xiantao City?

Is a transfer, that is, the original unit to the public unit, to the new company after the transfer procedures. One is self-employed, which belongs to flexible employees and does not belong to enterprise employees. One is the social security handled by affiliated enterprises, which legally belongs to employees of enterprises, and all social security expenses are also paid by themselves, while affiliated enterprises do not.