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联系人 Ms. Lacy
Yuelu Section, Changsha, Hunan
1. Suitable to drill with casing tubes whose outer diameters are from **8mm to **3mm.
2. With stable and reliable working performance and less vibration of drill rigs, they enable to bore holes in rock formations where contain some ovals, boulders and fractures.
3. Application:
Anchoring project, road construction, pipe and cable laying,
sampling, geothermal well, water well, piling and etc.
