HDD Department
Main business of HDD Department
- Underground utilities such as electricity, telecommunications, gas, water, sewage, etc.
- Road/rail crossings, stream, water, soft ground, and underground obstacle crossings
- Land development and residential improvement projects Pipeline undergrounding projects
- Indentation construction during power cable entrance
- Alternative energy power cable undergrounding project
- Island water supply submarine pipeline facility project
- Research and development of new technology, new construction method,
Patent/Design/Utility Model