However, the company purchased non-Shenzhen social security.

Workers who are not deep households should also buy social security. Non-deep households who are flexible employees shall apply to the social insurance agency for social insurance registration. If the non-deep households are ordinary workers, their employers should buy social security.

Legal objectivity:

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

Article 58

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.