I can only guess, is the second-year diploma of Agricultural University the same as the third-year diploma of Agricultural University? According to national regulations, this is different. The signatures of two students are the official seal of Hunan Agricultural University, the private seal or signature of President xxx, the official seal of Oriental College of Hunan Agricultural University and the private seal or signature of President xxx. You can tell at a glance what kind of employment you will have in the future.