Tall man. According to official website of Xu Hai College of China University of Mining and Technology, as the thesis defense of Xu Hai College, the passing rate is very high, with the passing rate above 90%, and it is easy to pass. Xu Hai College of China University of Mining and Technology is located in Xuzhou City, Jiangsu Province. Founded in 1999, it is an independent college sponsored by China University of Mining and Technology with the approval of People's Republic of China (PRC) and the Ministry of Education.