Wang Lei, associate professor of Tianjin University. Obtained the bachelor's degree, master's degree and doctorate degree of mechanical engineering and automation in Tianjin University . Since 2006, he has taught in the school of mechanical engineering, Tianjin University. His current research direction is advanced manufacturing technology.He has participated in and presided over a number of national 863 projects, natural science foundation, science and technology support program, and has a cooperative relationship with a number of enterprises in Tianjin.More articles were published in domestic and foreign journals with the first author or correspondent. In 2007 and 2009 won the three prize of Tianjin science and technology progress, respectively.