A4。 According to the public information inquired, the a4 paper of Shandong 202 1 Bincheng Children's Recruitment Interview needs to bring my ID card and resume to apply. The teacher establishment is a kind of career establishment, that is, the teachers in the establishment are the staff of public institutions, and the teachers in the establishment are the staff of public institutions, and they enjoy the working treatment of public institutions after joining the job.