Drill Bits, Mining Machine, Drill Steel; Drills & Drilling Equipment, Surface; Drills & Drilling Equipment, Underground including Raise Borers, Roof Bolters; Longwall Mining Equipment; Parts; Euma has more than 40 Years of Experience in Product Design and Application in Mining are as. Covering the Open Air and Underground Mining, Tunneling; Civil Engineering, our Product is Widely Used Throughout the Non Ferrous Mines and Tunnels, Mining Industry, Drilling Rig Tools, Drill Bits, Mining Machinery ...