trailer mounted water well drilling rig 1.First Alibaba onsite check supplier 2.Easy handling 3.Safe and stable work Trailer mounted water well drilling rig AKL-R-1 I. ApplicationsThis machine mainly used for 1.general investigation, 2.geophysical exploration, 3.drink water well drilling II. Features and Advantages1,With hydro-automatic feeding device, and high drilling efficiency. 2, Convenient ...