1. The Brief Introductions of QTZ-1 soil sampling rig QTZ-1 portable soil drilling rig is a portable soil sampling drilling machine developed by Shandong Master Machinery Group Co.,Ltd., which is comparable to a huge hydraulic and pneumatic drilling rig. The drilling rig is a dynamic gasoline driller usede for soil sampling, The rig uses gasoline power and is simple in operation. The rig is safe and stable in performance. It can greatly reduce the labor force, taking into account the rapid and simple sampling speed. 2.Applications of QTZ-1 Geotechnical engineering investigation,environmental soil survey,agricultural soil survey. Groundwater survey,coastal geological survey,wetland environment investigation. Tailing pond investigation, archaeological investigation, physical chemistry and secondary halo sampling.