Recently, the right passage of the Laz Tunnel of E763 Expressway in Serbia, which was constructed by Chinese enterprise, has been successfully penetrated. E763 Expressway in Serbia is the first north-south expressway in Serbia, with a total length of 268 kilometers. The right passage of Laz Tunnel, which is 2,662 meters long, is one of the most difficult mountain tunnels among the projects under construction in Serbia. After the tunnel is completed and opened to traffic, it can shorten the time for local people to cross Laz Mountain to 3 minutes and make positive contributions to the economic and social development and improvement of people's livelihood in Serbia.
