- HuanYu Drilling Rig Machinery Company
- Main products: core drilling rig, water well drilling rig, small drilling rig, 100 meters drilling rig
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- Geological Seamless Pipe Processing, Core Pipe Processing
- China Xy-200 Water Well Drill Rig Machine for Soil and Rock Drilling
- 100 Meters Xy-1A Water Well Drilling Rig Machine Equipment
- HY-50H Small Domestic Hydraulic Water Well Drilling Rig of China
- 50m Depth Core Drilling Rig Portable Diamond in Mountain
