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Feedback of HDD hole opener

Feedback of HDD hole opener

Classification:
Exhibition News
2021/07/17 19:00
[Abstract]:
Video of HDD hole opener, totally drilled 1600 meters.

Here is the video of recording 330mm HDD hole opener, from new to 260 meters rock drilling, to 550m, 750m, 1000m, 1600m. Customer is very satisfied.