Railway survey
2025-04-18 16:02
Survey Project of Yajiang Section of Sichuan Tibet Railway by China Railway Eryuan Engineering Group Co., Ltd
Designed with a tilt angle of 0 °, using an EP800 drilling rig, it took 77 days to complete the 75mm diameter hole. The entire hole was drilled horizontally and successfully drilled to 903.28 meters, setting a record for the largest hole depth of the same type in China,
Ingel provides customers with portable modular and integral fully hydraulic core drilling machines, thin-walled diamond rope core drilling tools, formulated mud, and drilling auxiliary equipment, in a range of lightweight, efficient, and environmentally friendly products.
Email: yw@egrcn.com
Website: www.egrecn.com
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