What if social security is paid in both places?

Both places have paid social security, so they can apply to the relevant departments for merger and transfer. First, they should submit proof of payment for participating in the basic old-age insurance according to the laws of China. The materials required for this card are: application form, applicant's household registration book, original and photocopy of ID card. Entrust others to handle, need to issue a power of attorney and the agent's ID card and a copy. In addition, it is necessary to issue a work certificate such as the endowment insurance manual. Social security, also known as social insurance, refers to a social and economic system that provides income or compensation for people who are unable to work, temporarily unemployed or suffer losses due to health reasons. The main items of social insurance include endowment insurance, medical insurance, unemployment insurance, industrial injury insurance and maternity insurance.

legal ground

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

Article 58 An employing unit shall, within 30 days from the date of employment, apply to the social insurance agency for social insurance registration for its employees. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay. Employees-free individual industrial and commercial households who voluntarily participate in social insurance, part-time employees who do not participate in social insurance in the employing unit and other flexible employees shall apply to the social insurance agency for social insurance registration. The state establishes a national unified personal social security number. Personal social security number is a citizen's identity number.