Grotti srl has registered the trademark Grotti GTF Technology ® and two patents that regard several innovative technological solutions.
Grotti successfully completed works in the Karawanks railway tunnel connecting Austria and Slovenia.
The GTF 400 RC fitted with the ST 500 performed a series of structural cuts with a depth of 40-60 cm on the ceiling and walls of the Allocco tunnel between the Sasso Marconi and Rioveggio exits on the A1 highway
