Zhang Bin. According to the official information of Heze No.1 Middle School, Mr. Zhang Bin, a math teacher of Heze No.1 Middle School, 1999 graduated from the Department of Mathematics of Qufu Normal University and returned to his alma mater Heze No.1 Middle School to teach. Now he is the vice president of our school. I have been teaching for 22 years, loyal to the party's education, abiding by discipline and law, and abiding by teachers' ethics. He is a good math teacher.