Beijing Social Security Long-term Overseas Declaration Form

If the communication address of the social security insured changes and the unit opens the online social security system, it can directly submit the ID card information to the unit for online application. If the unit has not opened the online social security system or the local government requests to change to the social security institution, it is necessary to provide the original ID card and the corresponding required information to apply to the social security institution.

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