Semipermanent Life Span, Storage Facility of Various Utilizations!
- Underground building structure of ecological environment for the modernization of conventional underground tunnel
- Relief of external impact and the insulation effect by covering reinforcement soil on top of corrugated steel plate
- Maintain indoor temperature of 15 degree in annual average and 90% humidity
- Available for various usages with the same effect as the conventional underground tunnel
- Prevent environmental pollution using with materials for 100% recycle