If the company insists that you hand it in now. You can also hand it in. After you input the insurance information of the institution into the computer, your personal account will be established. You can transfer the social security paid by the original enterprise to the current insurance account of the institution, that is, the two accounts are combined into one. This country stipulates that when you retire, multiple accounts and retirees who are insured in different places (other provinces) must be merged. Urban residents are incorporated into their registered permanent residence, and those who have formal jobs are incorporated into their retirement places.
Consult the local institution endowment insurance administration specifically, hoping to help you!
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.