Our customers trust us as a leader in shaft sinking. We earn this trust by taking each project for the unique challenge that it is and by implementing our core strengths, know-how and experience into every phase of the project. Deilmann-Haniel is one of the most experienced shaft sinking companies in the world. We are a specialized mining contractor servicing both mining and tunneling industries. Since the founding of the company in 1888 we have safely and successfully sunk: More than 500 shafts with a total depth of 210,000 metres More than 190 freeze shafts with a total depth of 37,000 metres Deilmann-Haniel employs all methods to manage and maintain mine shafts throughout their operating life. Deilmann-Haniel has always been a pioneer when it comes to new technologies or methodologies. The following have been developed and introduced by Deilmann-Haniel: Composite lining systems Steel lining systems to secure leakage shafts Ground freezing in shaft sinking and tunneling High performance mechanized sinking systems Every project in shaft sinking is a challenge because every project is different. Our clients need customized solutions, and this is what they get.