Jiang Juncheng, professor, doctoral supervisor, member of the Standing Committee of the Party Committee of Nanjing University of Technology, vice president, director of Jiangsu Key Laboratory of Urban and Industrial Safety and Jiangsu Key Laboratory of Intrinsic Safety and Control of Hazardous Chemicals. He is also an expert of the national safety production expert group and a member of the teaching steering Committee of safety science and engineering in colleges and universities.