Document custody certificate
Bring file keeping certificate, unit admission notice, foreign academic certificate, ID card, etc. Go through the employment and settlement procedures at the study abroad center of the Ministry of Education.
Company processing
Beijing collective account needs a company to handle it for you, and the company will come forward to handle the employment settlement procedures and file keeping for you. If your company doesn't handle it for you, it can only show that the company is not very good to its employees. If it doesn't, it might as well go back to work.
International student registration card
Your foreign student registration card can be handled together when you go through the formalities of employment and settlement, and then put into the file.