XPL-20B Jet Grouting Drilling Rig: 1. running by cralwer belt 2. equipped with lots of drilling tools. 3. dual-duty drilling XPL-20B Jet Grouting Drilling Rig 1. Detail Description:(1) Application:Applicable for high pressure rotation and construction process anchoring.This drilling rig has been widely used in railway, highroad, building, water conservation, electric power and it was mainly used ...