Underground Engineering Partners
With 30 years of industrial manufacturing, Nantong Rongheng provides the "sincere" air supply that makes deep tunneling possible. Our professional blowers are the trusted choice for major subway, rail, and utility tunnel projects globally.
| Pressure capability | High Static (Long Ducting) |
| Vibration Rating | Heavy Industrial Grade |
| Motor | High-Efficiency / Soft-Start |
| Build | Ruggedized Steel Skid |
Tunneling Applications
- Metropolitan subway construction
- Railway tunnel ventilation
- Hydro-power tunnel air
- Underground utility ducting
Heavy-Duty Metallurgy
We utilize thick-walled ductile iron to handle the pressure and dampen the noise. Rotors are manufactured from high-tensile steel to ensure durability against peak loads.

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