Taizhou City Kaiyu Metallurgy Machines and Tools Co.,Ltd

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8" DHD380 COP84 QL80 DTH Hammer For Mining Water Well And Stonework	2 3/8" API DTH Drill Pipe For Water Drilling Stone Quarrying	Tapered Tungsten Carbide Cross Rock Drill Bits For Drilling	5" DHD350 COP54 QL50 DTH Hammer For Mining Water Well And Stonework
2 3/8" API DTH Drill Pipe For Mining And Stone Quarrying	High Air Pressure DTH Drilling Bits For Water Well Drilling	Spherical DTH Drilling Bit for water welling, drilling	3" DHD3.5 COP34 COP32 DTH Hammer For Mining Water Well And Stonework
4” DHD340 COP44 QL40 DTH Hammer For Mining Water Well And Stonework	CIR150 Down The Hole DTH Drill Hammer For Mining Drilling Rocks	Tapered shankd drill pipes	Thread Cross Bits For Hard Rock Drilling
6" DHD360 COP64 QL60 DTH Hammer For Mining Water Well And Stonework	Tapered Chisel Horse Rock Drill Bits For Hard Stone Pneumatic Drilling	Low Air Pressure DTH Drilling Bits For Mining Blasting	Tapered Tungsten Carbide Button Rock Drilling Bits For Drilling