1, which belongs to the graduation school, is generally stamped with a red seal, which is the official seal of the school.
2. The personal broad-brimmed seal of the president of the graduation school and the personal seal of the president of the graduation school on the graduation certificate have been popular in China for many years.
3. The local education bureau (the high school diploma must be stamped by the municipal education bureau). The certificate is generally printed by the provincial education department, and the certificate stamped by the local education bureau is valid.