Engineering research department in May 2020, the company to purchase 3 d laser scanner, will take the project as the carrier, in the study of the complete set of technology based on 3 d laser scanner, include: 3 d laser point cloud reverse modeling research, 3 d laser point cloud entity detection technology research, 3 d laser point cloud structure health monitoring research, unmanned aerial vehicle (uav) + 3 d laser scanning field measurement technology research, 3 d laser scanning technology research. The research results will bring about practical benefits in the aspects of over-tunneling and deformation, large equipment and entity deformation, quantity difference control and so on, and improve the quality of the company's products.