The graduation certificate of Hubei Enshi College was issued by the school, not by Hubei Education Bureau. Graduation certificate is the school's recognition and affirmation for students to complete their studies and meet graduation requirements, and it is also a strong proof of students' personal education. Therefore, the right to issue diplomas is usually exercised by schools, while the Education Bureau is responsible for supervising and managing the quality of education and whether it meets the graduation requirements. Therefore, you should apply for the diploma of Hubei Enshi College. If you have specific questions, you can consult the academic affairs office of the school.