Railway investigation

Project: Sichuan-Tibet Railway, Yajiang Section Survey
Objective: Achieve deep, precisely horizontal core drilling.
Solution: DEP800 Drill Rig (75mm diameter, 0° designed inclination).
Result:
Successfully drilled to 903.28 meters in 77 days.
Executed full-hole horizontal drilling with high precision.
Set a new national record for depth in this drilling category.

Significance: Demonstrates top-tier capability for complex infrastructure survey drilling.