Yancheng Dafeng Social Security Center Tel

Dafeng belongs to Yancheng. Social security payment in the same city does not need to be transferred.

After you go to work in Dafeng, the social security should still be in Yancheng, which will not affect the payment. You don't have to go through any formalities.

Go to the new unit and give your resignation slip, social security number and other information to the new unit staff.

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