Water Well Drilling Rigs, Construction Drilling Rigs, Borehole Drilling Rigs manufacturer / supplier in China, offering Zgyx 812 Underground Drilling Single Boom Face Drilling Rig/Underground Excavation Jumbo for Rock Drilling/Horizontal Blasting Holes/Anchor Bolt Reinforcement, Zgyx 453 Integrated Pneumatic-Hydraulic DTH Surface Drilling Rig for Quarries/ Coal Mining/Construction Work Sites, ZGYX 420-1 Separated Pneumatic-Hydraulic DTH Surface Drilling Rig with Dust Collector for Quarry/ Coal Mining/Construction Sites 30m Depth and so on.
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