What about social security? What about personal social security?

1. If an individual applies for a social security card, he/she shall apply to the social security agency where his/her household registration is located with his/her valid identity documents, photos and other materials. If the application is successful, he/she can get a new social security card after receiving the notice. In the form of a unit, the employer shall apply to the local social security agency with a copy of the business license, tax registration certificate, labor contract and other materials.

Article 58 of the Social Insurance Law of People's Republic of China (PRC).

The 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.