Shanghai Baoshan District handles social security.

First of all, confirm whether the social security center of the new workplace accepts the social security relationship in Shanghai and issue an acceptance letter.

Secondly, go to Shanghai Social Security Center to handle social security transfer, and issue social security transfer certificate and personal social security payment list.

Thirdly, handle the transfer to the new workplace with the social security transfer certificate and list.

Note: it is best to check by phone before handling, confirm the approval by phone, or go to the social security center for consultation, and bring your ID card with you when handling social security.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.