Li Bingcheng: Male, born in 1964, China nationality, without permanent residency abroad, doctor of management, professor. 1July, 1986 to1August, 1988, served as the assistant engineer of the mechanical power company of China No.1 Metallurgical Construction Company; 199 1 Worked as a lecturer, associate professor and professor in School of Management, Wuhan University of Science and Technology from 2005; From 2004 to 2007, he entered the postdoctoral research center of Wuhan Iron and Steel Group Company for postdoctoral research; Since 2005, he has been a professor and doctoral supervisor at the School of Accounting of Zhongnan University of Economics and Law. He is currently an independent director of Wuhan Jinyun Laser Co., Ltd., Wuhan Contemporary Famous City Cultural and Sports Group Co., Ltd., Wuhan Zhongke Aquatic Environment Engineering Co., Ltd. and Hubei Green Home Materials Technology Co., Ltd. 20 18 12 has been an independent director of the company.