HF330 Rotary Drilling Rig/Piling Rig - Hanfa Group
2021-6-11 · HF330 crawler type rotary drilling rig adopts pressurized drilling mode, enabling rotary drilling depth is 30m, matching the different specifications of drilling tools, pile hole diameter ranges from 500-1600mm. It has high drilling efficiency, and after construction, it can quickly move to next working site.
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