In the factory to work in the social security card is the factory issued or to do their own

Legal analysis: It should be unified by the factory to apply for and pay social security for workers.

Legal basis: "Chinese People's *** and State Social Insurance Law"

Article 4 Chinese People's *** and State employers and individuals within the territory of the social insurance premiums in accordance with the law, have the right to inquire about the record of contributions, personal rights and interests records, and require social insurance agencies to provide social insurance consulting and other related services.

Individuals enjoy social insurance benefits in accordance with the law, and have the right to supervise the payment of contributions for them by their own units.

Article 58 An employer shall, within thirty days from the date of employment, apply for social insurance registration with a social insurance agency for its employees. If the employer fails to apply for social insurance registration, the social insurance agency shall approve the social insurance contributions to be paid by the employer.

Individual industrial and commercial households without employees who voluntarily participate in social insurance, part-time employees who do not participate in social insurance with their employers, and other flexibly employed persons shall apply to the social insurance administrative organization for social insurance registration.

The State establishes a nationally unified individual social security number. The individual social security number is a citizen's identity number.