2. The tripartite agreement between classmates is useless. Your student number and name are on the cover of the general school agreement. Inconsistent can not handle the corresponding procedures.
You can ask your friend to give a certificate to the company that signed the agreement at the beginning to prove why you can't be admitted. It's better to state that the responsibility lies with them. Then you can use this certificate to buy a new agreement when you get to school (2 yuan). Find a new unit to re-sign, and then go to the school admissions and employment office to go through the reassignment procedures, specifically (1, new employment agreement. 2. Go to the talent market and get back the personnel files of the school. 3. The school has to deal with redistribution again. 4. Report to the new unit and settle down)
4. There are two kinds of personnel agency, 1. The unit that agrees to receive you has no personnel autonomy (no right to keep personnel files) and entrusts the local talent market to receive your files and accounts. Your company has personnel autonomy, but it signed an employment contract with you. For example, after three years of assessment, the assessment has nothing to do with staying in office. Generally, the local talent market will be entrusted to manage your account and files.