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DHD3.5-114 ODEX System Eccentric Overburden Casing DTH Drilling System For Water Well Drilling
Product specifications:
1. drill in overburden unstable rock
2. one step to drill and follow casing
3. flexible to open or close
4. effecient below 300mm
Application Range
It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.
Design Principles
Make the casing follow easy and the equipment and operation simple