The MKQJ90/25 and MKQJ 120/40 coal mine underground DTH drill rig features light in weight, easily transported, strong torque for anti-jamming, and could drill holes with protecting pipes etc. The drill rigs are suitable to drill holes for discharging gas, water exploration, grouting and blasting in tunnels, and widely used in mining, hydro-power station, railroad, highway and construction engineering etc. With its SAFETY CERTIFICATE OF APPROVAL FOR COAL MINING PRODUCTS, the drill rigs are applicable for drilling holes in underground coal mines.
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