Zhengzhou Hanfa Prospecting Machinery Co., Ltd.

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Hfu-4A Hydraulic Underground Tunnel Core Drilling Rig	Trailer Water Well Drilling Rig Hf-6A Percussion Drilling Machine	Economic Core Drilling Rig	Gasoline Engine Portable Backpack Core Sample Drilling Rig
Trailer Type Hydraulic Core Drilling Rig (HF-8)	Full Hydraulic Geological Exploration Drilling Rig, Hfdx-4	Hfdx-4 Diamond Drilling Rig for Mining Explortion	Hfg-30A Anchor Drilling Rig
Full Hydraulic Pressure Engineering Mode Drilling Machine Kp2500