/kloc-0 received a bachelor's degree in engineering from Henan Polytechnic University in June, 1999, a master's degree in engineering from Henan Polytechnic University in June, 2002, and a doctor's degree in engineering from Chongqing University in June, 20 10. He graduated with a master's degree in June 2002 and has been teaching in this school ever since. From 2004 to 2007, he served as deputy director of the Department of Industrial Engineering, School of Energy, Henan Polytechnic University. In 2002, he served as a teaching assistant, in 2005 as a lecturer and in 20 10 as an associate professor, and obtained the qualification of tutor for master students.