HY-50 Core Drilling Rig
50m Depth Diesel Rock Portable Rotary Water Well Drilling Rig Machine Backpack R......
50m Depth Diesel Rock Portable Rotary Water Well Drilling Rig Machine Backpack R......
The Type HY-50H rig is a high, medium and low speed rig with hydraulic feed. Com......
xy-200 is a deepwater well drilling rig with a drilling depth of 200 meters. It ......
The xy-1a is based on the xy-1 low-speed drilling rig, upgraded to an 18-horsepo......