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China Manufacture Fast Penetration DHD350 Hammer Plate Rock DTH Hammer for Mining Drilling Tools

China Manufacture Fast Penetration DHD350 Hammer Plate Rock DTH Hammer for Mining Drilling Tools
Basic Info.Model NO.3" 4" 5" 6" 8"CertificationISO 9001:2000Surface TreatmentOxidationManufacturing ProcessCNC...