BJ-235 Diamond Core Drill Machine

BJ-235Diamond Core Drill Machine,Diamond Drill Machine,Drill MachineChinacoal05 Product Introduction1.Diamond drilling machine is a kind of reinforced concrete ,rock ,ceramic ,glass ,fire-proof material on new drilling tools have high efficiency ,hole wall smooth ,the characteristics of the precise size.2.This machine widely applies in civil quality inspection ,airport runway ,construction and installation ,water ,electricity ,heat ,gas installation and construction of