Forged - Friction welded drill rods |
 |
Forged-One-Piece Drill rods |
 |
MI HDD, Mining & Waterwell additives and fluids |
 |
Astec Underground Group products distribution |
 |
 |
 |
|
COLLI GROUP
The Colli Group today is made up of nine companies in three different continents with about 100 employees and boasts a total turnover of more than 25 million dollars. Its fields of activity include the production and sale of drill rods and drill machines, the sale and renting of Air Compressors, and the production and sale of tie bars.
|
|
|
|