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Jiangmen Baorui Mechanical Engineering Co.,Ltd was founded on Nov., 2016, we’re not only specialized in design,manufacturing,exporting of rotary drilling tools, kelly bar,casing,hydraulic grab head but also a solution provider for construction piling project.
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Brief:The overall structure of the barrel drill is relatively simple compared to other drill tools, but some details and design will have a direct impact on the drilling efficiency.
Brief:Regardless of the formation condition,the wear and tear of the roller bits related to its and rotate speed and at the same time, when wear and tear reach to a certain level, the piling efficient would get slow.
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