Founded over 35 years ago in Sarreguemines, France, Optimas International - Sofrasar Tunnel Products has grown to be one of the largest global suppliers of tunnel components.  The team has supported over 600 tunnel projects in 25 countries with industry knowledges, design and engineering services, technical expertise and fastening solutions. In the last 20 years, over 2,000km of tunnel have been supplied.  
The products supplied by Optimas International - Sofrasar Tunnel Products range from a number of systems and categories such as: dowel system, bolting system, shear cones, guiding rods, grouting & lifting systems and more. From engineering design support to responsive and efficient shipping, quality control and validation and testing, Optimas International - Sofrasar Tunnel Products has the ability to offer a variety of solutions all across your projects.