Bing-jun Gao received the Ph.D. degree in process machinery from Tianjin University. He is a Professor of chemical engineering and technology with the Hebei University of Technology, Tianjin, China. He is mainly engaged in teaching and scientific research on strength analysis and structural optimization of pressure vessels. He has authored or coauthored more than 100 technical Journals and conference papers in reputable venues and also holds 10 Chinese Patents. He is a member of Mechanical Seal Standardization Technical Committee and Mechanical Engineering Society China.