Municipal social security to provincial social security.

1. If an employee leaves this city and goes to other areas for employment, the payer or himself will first apply to the service hall of this city's social security center with his/her ID card, endowment insurance manual, medical insurance card, application form for inter-provincial mobile social insurance relationship transfer of insured employees and other related materials, and print the payment voucher for basic endowment insurance (hereinafter referred to as "the payment voucher for insurance").

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