Plus cemented carbide base drilling rig Bk47-22h hard rock drill bit 30/60mm

 our product include all kinds of round cutter bit and flat cutter bits for excavate coalMachine. Such as U76, U82, U84, U85, U92, U94, U95, U118, B47K17H, B47K19H, B47K22H, B43K, B43H, BHR73 etc and coal bolting bit and coal bolting Rod. We have exported our products

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