What kind of certificates do social security workers need to transfer to cadres in Fengtai District, Beijing?

Identification certificate of cadres. According to the announcement issued by the Social Security Bureau of Fengtai District, Beijing, the unit should change the worker's identity to the cadre's identity in the social security system, and take the certification materials about the cadre's identity in the file to the social security office for approval. Social security will give a certificate, and take this certificate to modify the information of the insured person respectively for medical insurance and four insurances.