National networking of social security contributions

At present, there is no national social security network, but it can be transferred and merged nationwide. The northeast unit can't find your previous payment information. If you want to transfer, you can issue a social security payment voucher to the social security agency where the original unit is located and apply for transfer to the social security agency where the current unit is located.

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