[Offer to Sell] sell rock drill bit and drill rod |
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| The main products are divided into four series: 1. Drilling tools for geological prospecting and mineral exploitation. Tri-cone bit series, chisel bit series, cross and button bits series, down the hole bits series, drill bits series for coal cutting, core bits series, drill rods series, coupling sleeve series. 2. Drilling tools for road construction and slope protection Road planning and trenching bit series, road picks for grader series, blending shovels series, all steel cross bits series, drill bits series for cutting anchor hole. 3. Drilling tools for steel refining in large steel works Steel bit series and drill bits series for cutting iron hole 4. Drilling tools for architectural engineering Drill bit series for piling on the architectural base |
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