Prof. Zhijie Liu is an Associate Professor at the College of Mechanical and Electronic Engineering, Northwest A&F University. He received a Master's degree at the College of Mechanical and Electronic Engineering, Northwest A&F University from 2008 to 2012. His research direction is agricultural equipment for hilly and mountainous areas. He has participated in projects including research on tobacco uprooters, calculation methods for aircraft fuel inertia characteristics, optimization and integration demonstration of key technologies for crop protection machinery, research on key technologies for modern multifunctional agricultural machinery manufacturing, and research on key component parameters for grass harvesting and flattening machines.