On May 26, Lars Samuelson, professor of Lund University, LU and academician of the Royal Swedish Academy of Sciences, Academician of the Swedish Academy of Engineering, accompanied by four others, visited Ledman Headquarters building. Martin Lee, Chairman and President of Ledman, Tu Menglong, Senior Director of Technology R&D Center and other leaders, on behalf of Ledman, extended a warm welcome to them, showing them around the exhibition hall of Ledman and holding cordial exchanges.   Visit to the exhibition hall   Lars Samue...