... drilling tools, mining tools, DTH Drill tools. Construction tools and excavating coal pick cutter tools, we can also produce other ... customers requirements. We sincerely welcome our friends of both home and abroad to come for business talks.About products1. Integral ... Hole Drilling)Offer IR hammer, DHD3.5, DHD340a, DHD360, DHD380, and low pressure hammers CIR65a, CIR90, CIR110, CIR150, CIR170 etc. ...