Tang Di: Male, born in April 1955, Ph.D., professor, doctoral supervisor. He once served as a worker in the printing factory of the Ministry of Culture, a teacher at the University of Science and Technology Beijing, the director of the National Engineering Research Center for Efficient Rolling at the University of Science and Technology Beijing, the chairman of the Design Institute of the University of Science and Technology Beijing Co., Ltd., and the chairman of the Beijing University of Science and Technology Hengxing High-Tech Co., Ltd. Currently, he is the chief scientist of the Collaborative Innovation Center for Steel Innovative Technology of University of Science and Technology Beijing, and an independent director of Sinosteel Group Anhui Tianyuan Technology Co., Ltd. He concurrently serves as the chairman of the Deep Processing Branch of the Chinese Metal Society, and the director and deputy secretary-general of the Steel Rolling Branch of the Chinese Metal Society. On June 27, 2014, he was appointed as an independent director of Beijing Shougang Co., Ltd.