Coal Mine Safety Technical Expert of Sichuan&Chongqing Coal Mine Safety Supervision Bureau
Expert of Comprehensive Group of Chongqing Work Safety Committee
External Experts In Resource Exploration System Of Chongqing Municipal Bureau Of Land And Resources
Member Of Expert Group For Senior Technical Title Evaluation Of Chongqing Personnel Bureau

Mr Yu, focusing on mining project evaluation, mine resource exploration, mine development, mining and beneficiation engineering and mine operation management. has over 30 years experience in mining and geology. He has successively served as the chief engineer of Chongqing Songzao Coal Power Co., Ltd., the chief engineer and deputy general manager of Chongqing Tianfu Mining Co., Ltd., the chief engineer and deputy general manager of Chengdu Di'ao Group Co., Ltd where he is responsible for the overall management of the company's mining and beneficiation technology and the review of the development and utilization plan.