Auger Drilling Rig quotation As an advanced small drilling equipment, the tunnel drilling machine has the characteristics of compact structure, flexible operation, wide adjustment range, and strong adaptability to working conditions. Through the selection of different working devices, a variety of construction methods can be realized, which are widely used in construction fields such as foundation pit support, slope anchoring, tunnel pipe shed support, micro-pile, grouting hole, high-pressure jet grouting, etc. In the high-pressure rotary spraying construction, http://www.xiangchimachinery.c....om/rig/auger-drillin