report the technology has been widely used in a range of scientific fields, from archaeology to geology, as a way to study landscapes that are often obscured or inaccessible to humans. 1 general manager zhao shengyu, shenzhen haimuxing laser intelligent equipment co., ltd. xiao chengfeng, chairman of shandong huaguang optoelectronics co., ltd. chen feng, sales director of dazu intelligent equipment group ren hongbin, president of china chamber of commerce harad kuhnfraunhof association electronic nanosystems research institute ge xingfu, academician of the german national academy of engineering and a world-renowned machine tool expert kefus, president of the russian laser association 30 people