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.
Further improves the reliability of the network
■Corresponds to a long span of 250m ■Supports up to 13 ° angle from the duct surface ■Real-time measurement of the propulsion thrust during safety construction ■Easy propulsion by the impact driver
Propulsion Device
Draw-back Device
Lead Jig
Fitting Jig
Draw-back Jig