Social security in different places transferred to Shanghai

Where is your registered permanent residence? If you are in Nanjing, you can only transfer to Shanghai for retirement after paying 10 years in Shanghai. Those who have worked in Shanghai for less than 10 years can only retire if they change their hukou. If the registered permanent residence is in Shanghai, you can transfer it now. You must go to Nanjing and fill out an application form for social security transfer in Nanjing Social Security Bureau, with your Shanghai social security number and Shanghai social security bureau code on it. Then hand it over to Nanjing Social Security Bureau. After passing the examination, they will be transferred.

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