Try to transfer your file back to the school, take the original blue registration card to the school, ask the school to take out the white copy of the registration card in the file, reissue a registration card, report to your work unit, take the blue one from the newly-issued registration card to the unit, and put the white copy in your file.

After reporting back to the unit with a blue registration card, the unit will go through the formalities for you, and the personnel department of the unit will give you an admission notice. You go to school with the letter of admission, and the school will send the files to the personnel department of the current unit (state-owned enterprises, institutions, etc.). Because you work in a private enterprise, you will be sent to the entrusted talent service center. /kloc-after 0/year, you will be officially a national cadre. After that, all cadres will be transferred.

Working in private enterprises, there is no cadre status, and there is no positive grading. These are all needed by public institutions, administrative units, public institutions and state-owned enterprises.