Full Hydraulic Construction Tunnel Using Drilling Rig

Features: 1. Reasonable technical parameter assures more efficient drilling performance. 2. Fully hydraulic drive, top-drive head rotation, feeding and hoisting are all done by ration pump and ration motor which composite independent open hydraulic system, which is simple, advance, easy to use and maintain. 3. The main hydraulic components are imported from world famous hydraulic manufacturers, two-step filtering, improving the hydraulic system reliability. 4. Newly-designed