Drill Steel; Drills & Drilling Equipment, Surface; Production of Rock Cutting Tools for Mining, Oil and Gas and Construction Industry: Roller Cone Bits, Pdc Bits, Tci Bits, Core Bits, Hole Openers. Qms is Certified According to Iso 9001, Iso/Ts 29001, Ansi/Api Spec.Q1 Requirements, Mining Industry, Drilling Rig Tools, Cutting Tools ...

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