Dr. Zhigang Ma is currently the chief engineer and technical expert of Bao Steel. He mainly engages in steelmaking and refining technology and the quality optimization of steels. His research work focuses on oxygen controlling in inclusion controlling of high-grade pipeline steel, refining of high-strength automobile sheet, process optimization of axle steel, technological development of silicium steel, high efficiency of refining treatment, and technological improvement of refining equipment. Dr. Ma has been awarded 9 significant achievements in technological innovation by Bao Steel and granted 128 technical secrets and 34 patents. He has published 40 peer-reviewed journal and conference proceeding papers.