How to apply for pension insurance after returning to Germany?

Save your Sozialversicherung number

Cancel your household registration at the Immigration Bureau before leaving the country, and save this certificate of yours

Save your work contract expiration certificate

Copy of passport, visa, copy of entry into China

Your bank name, bank number, bank account number

After arriving in China, bring the above Proof of sending a letter to the German Federal Ministry Bundesversicherungsanstalt fuer Angestellte, telling him that you have left Germany and want to withdraw these pensions.

After they have been reviewed, after a period of time, they will give you a reply and a letter, and they will also transfer the money to your account