Dr. Shanjun Li who was hired as professor and doctoral supervisor in Huazhong Agricultural University and was appointed as the post scientist of modern agricultural (Citrus) industrial technology system by Ministry of Agriculture and Rural Affairs, PRC, mainly focuses on the whole process of citrus production mechanization technology and equipment, mainly including Hilly Orchard transportation machinery, orchard trenching machinery and citrus postharvest quality management. He has presided over more than 10 scientific research projects with more than 20 million yuan, and has published more than 20 papers, and authorized more than 30 national patents in the last 5 years.