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| Home > Engineering department |
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| 1. Construction |
| 2. Water well drilling |
| 3. Construction consultation |
| 4. Geological survey |
| 5. Soil environment survey |
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Microtunneling(OK Mole method) / Pipe umbrella arch method (TH pipe umbrella arch method) |

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Surface Exploration / Slope & Landslide Survey / Geological Survey / Environmental Survey Geophysical Exploration / Soil Lavoratry Tests / Borehole Logging / Soil Pollution Survey |
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