We utiize NO-DIG technology, which was developed based on NTT's R & D results, to continue to take part in improving social infrastructure efficiency, as well as to contributing to global environmental protection.
Corroded pulling pipe repair method
Over cleat method is the non-excavation reinforcement method of wrapping the pulling pipes perforated on the ground which has been ageing and degrated, with stainless band and glass tape and coating with the resin.
