The geotechnical engineering major is one of the earliest traditional majors established by TMEDI, and is one of the first batch of survey and integrity enterprises in China. Its business scope includes engineering geological survey, geotechnical engineering survey and design consulting, governance and testing, geotechnical testing, and foundation testing. The surveying and mapping engineering major is one of our tradiotional majors,covering areas such as control, terrain, municipal engineering, precision engineering, line engineering, underground pipelines, bridges, tunnels, deformation (settlement) observation, deformation, completion measurement, and surveying instrument identification.