Forged - Friction welded drill rods |
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Forged-One-Piece Drill rods |
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MI HDD, Mining & Waterwell additives and fluids |
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Astec Underground Group products distribution |
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COLLI GROUPThe 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. |
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Colli Drill s.p.a. was certified ISO 9001 in 1996 for the production of drill rods. The quality certificate is the result of the commitment of the company throughout the years in the fields of research and product innovation . |
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COMPAIR Motor CompressorThe complete fleet of motor compressors to satisfy all site needs. |
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PerforatorsA wide range of perforators is available for both vertical and horizontal perforations. |
