Can other schools go to the job fair of Southwest Jiaotong University?

Southwest Jiaotong University can't go to the job fair. According to relevant information, Southwest Jiaotong University always does this every recruitment season. In order to protect their own students, students set up tickets in the school health center to distinguish them from students in other schools. Job fair is a company that provides timely, comprehensive and true campus recruitment information for fresh graduates or students free of charge.