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HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD

City: shijiazhuang

Province/State:hebei

Country/Region:china

Tel:86-311-69159874

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high strength thread button bit

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3 1 / 2 Inch 89mm DTH Drill Pipe Carbide Alloy Steel For Rock Drilling

... play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH ... 2025-06-21 00:38:41

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