Wu Yuhua: Male, born in 1963, with college degree and senior engineer title. He has served as deputy chief engineer of Mengzhuang Mine of Anhui Wanbei Coal and Electricity Group Co., Ltd.; Ren Lou coal mine chief engineer, Ren Lou coal mine deputy mine manager; Deputy Chief Engineer and Chief Engineer of Wanbei Coal and Electricity Group, member, director and chief engineer of the Party Committee of Wanbei Coal and Electricity Group. He is currently a director of the Company, a member of the Party Committee of Wanbei Coal and Electricity Group, a director, deputy general manager, chief engineer and a director of the Company.