Xiang Rui: Male, born in July, 1973, without permanent residency abroad, Ph.D. candidate. From June 2006 to June 2007, he served as a lecturer at Southwest Jiaotong University. From June 5438, 2007 to August 2009, he studied as a postdoctoral fellow at Xiamen University. Professor of Sichuan University since August 2009. 20 15 1 Up to now, independent director of Chengdu West Petroleum Equipment Co., Ltd.; From 20 16 10 to present, he has served as an independent director of Kunwu Jiuding Investment Holding Co., Ltd. (600053).